# Perimeters

### How To : Find the area & perimeter of triangles & squares

When you are figuring the area of a square, you only need to know the height and width of the shape. Once you know the height and width, multiply them to get the area of the square. To find the perimeter of the square, add all four sides together. To find the area of a triangl ...more

### How To : Find the perimeter & area of a complex figure

In this video tutorial the author shows how to find the perimeter and area of a complex figure. He shows that a complex figure can be subdivided into standard geometric figures. In the current example he divides the complex figure into a rectangle and a triangle. Now he comput ...more

### How To : Calculate the width of a fence given its length and perimeter

From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps. With this installment from Internet pedagogical sup ...more

### How To : Find the perimeter of a shape

Two dimensional objects are measured in terms of perimeter and areas. A perimeter of a two dimensional object is the distance around that object. If you want to find the perimeter of an object, all you need to do is add up each one of the lengths of sides of that object. If yo ...more

### How To : Find the perimeter of a parallelogram

One thing that you will need to know in order to pass Geometry is how to find the perimeter of a parallelogram. Parallelograms are quadrilaterals with two pairs of parallel sides. It is not difficult to find their perimeter, but you will need to know a few steps. Check out thi ...more

### How To : Solve a word problem for the perimeter of a rectangle

Need a little bit of help figuring out how to solve word problems involving the perimeter of a rectangle? See how it's done with this free video math lesson. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have ...more

### How To : Find the perimeter & area of a rectangle

This video starts out with a basic view of a rectangle and its dimensions. The base is 7 inches while the sides are 4 inches. It then displays the formula for finding the perimeter of the rectangle which is the addition of both bases and both sides. After the substitution of t ...more

### How To : Find the perimeter of a rectangle easily

This video shows you how to easily find the perimeter of a rectangle or even a square. The perimeter is the total length of the path that surrounds the area of a rectangle or a square (in this case). For a rectangle, the perimeter length is equal to 2L+2W, where L is the lengt ...more

### How To : Find the perimeter of a rectangle

For people who are learning geometry and would like to be able to find the perimeter of a rectangle, this video provides and quick and simple tutorial which provides the formula as well as a good example. The formula for finding the perimeter of a rectangle is simple the sum o ...more

### How To : Find the Perimeter of a Rectangle

If you have a rectangle and the length of only one side is given,how do you find the perimeter. The video shows how the diagonal creates a right triangle. This right triangle can be used to find the other side of the triangle, and then the perimeter. Video: . The formula for f ...more

### How To : The 4 Most Durable Premium Smartphones for Clumsy People

Your smartphone stays with you everywhere you go, so it's only a matter of time before you spill coffee all over it or drop it on the ground. For some of you, it has already happened, perhaps even multiple times. That's why we thought it was important to find out which flagshi ...more

### Extreme Multitasking : How to Run Multiple Apps at the Same Time on Your Nexus 7 (No Root Required)

Recently, I offered a guide detailing how to run two separate windows on a Nexus 7 tablets for better multitasking. While extremely useful, that mod was limited to only two windows, and you also needed root access to use it. Today, I'll be highlighting a non-root Android app ...more

### The Anonymous Search Engine : How to Browse the Internet Without Being Tracked

How many people use the big search engines here? I'm going to estimate 90% of everyone on WonderHowto uses one of the following on a regular basis: Google, Bing or Yahoo! Search. The question is: are you in that 10%? You should seriously consider dumping Google search for Duck ...more

### How To : Get Rid of Plant-Eating Pests Using 100% Natural Solutions from Your Home and Garden

Navigating through row after row of plants, my tiny fingers would reach into the leaves to pluck all the vile little creatures from their homes and deposit them into a can of gasoline. Potato bug duty, my least favorite gardening chore. Growing up, my family had a small garden ...more

### The Hacks of Mr. Robot : How to Build a Hacking Raspberry Pi

Welcome back, my tenderfoot hackers! A number of you have written me telling me how much you enjoy the Mr. Robot series on USA Network. I am also a huge fan! If you haven't seen it yet, you should. It may be the best show on TV right now. Mr. Robot is about a young man with ...more

### Hack Like a Pro : Denial-of-Service (DoS) Tools & Techniques

Welcome back, my fledgling hackers! Over the years, we have examined multiple ways to own, exploit, or compromise a system. On the other hand, we have not spent a lot of time on denial-of-service (DoS) attacks. For those of you who are new here, a denial of service is basica ...more

### News : Minecraft World's Ultimate Survival Guide, Part 1

Welcome to Minecraft World! Check out our advanced tutorials and come play on our free server. Note: As I thought of writing something like this, it sounded fairly simple. A one-stop guide for everything related to survival (survival mode, SMP) in Minecraft. But as I progress ...more

### Hack Like a Pro : Exploit MS Word to Embed a Listener on Your Roommate's Computer

In my last hack blog on crashing your roommates Win7 system, we started looking at client- side attacks. As promised, we will be looking at some more client-side attacks. As web server and OS’s have become hardened and living behind significant perimeter defenses, hackers hav ...more

### How To : Create Beautiful Houses in Minecraft, Part 2

Part 2 Welcome back! In my last post I talked about the exterior aspects and techniques of building a great looking house, and now we shall focus on the interiors. Interiors There are a few important prerequisites to look at before starting the interiors of a house: The ge ...more

### Roundup : 10 Samsung Galaxy S8 Features You Need to Know About

The Galaxy S8 has finally touched down, and it's an absolutely gorgeous device. Samsung's brand new flagship comes jam-packed with new features — some refined, and some that aren't. Luckily, we've compiled some major features to help you get started as quickly as possible so y ...more

### How To : The End of the World Survival Guide: Staying Alive During the Zombie Apocalypse

Will the predicted apocalyptic date—December 21st, 2012—really be the end of the world? In this ongoing five-part series, we examine what would happen if zombies, nuclear weapons, cyber wars, earthquakes, or aliens actually destroyed our planet—and how you might survive. End ...more

### How To : Attach Timber to Concrete Using Concrete Anchors

How to install concrete anchors.How to attach timber / wood to concrete or any other SOLID masonry surface using masonry anchors / DynaBolts. DynaBolts (that's the name for this particular anchor in Australia. They are know by other names in other countries) are the ideal anch ...more

### How To : Piece of Cake? How to Make a Chicken Egg Farm in Minecraft

Are you a Minecraft cake fanatic, but have a hard time gathering enough eggs together to satisfy your addiction? Have you ever wondered if there was an easier solution to getting those "hard to get" chicken eggs? Well, today we will be going over a method of chicken egg farmin ...more

### How To : Make a homemade fractal antenna for HD and digital TV reception

Want great reception? Then a fractal antenna may be your answer. And you can make one yourself, right at home! Fractal antennas uses a fractal design to maximize the perimeter of the material that can receive and transmit electromagnetic radiation within a given total surface ...more

### Mac for Hackers : How to Organize Your Tools by Pentest Stages

With all of the bare-bones setup out of the way in our Mac for Hackers series, your Apple machine should be ready to run a significant amount of pentesting tools. We can pull tools from GitHub and compile them, we can pull dependencies or tools from Homebrew, we have both Pyth ...more

### How To : Set & Trigger Location-Based Reminders on Your iPhone

I'll be the first to admit how horrible my memory is, whether it's remembering to take out the garbage or paying a bill on time. That's why I regularly utilize the stock Reminders app on my iPhone; it's definitely compensated for my memory deficiencies. However, setting a spe ...more

### Gaming : The 9 Best Games to Play When You're Taking a Dump

My bathroom is like my own private arcade room. Whenever I'm seated comfortably on the toilet, no one is going to disturb me, so I can play anything I want on my smartphone. You probably do it, too — and your parents, kids, friends, colleagues, and boss — so don't be afraid to ...more

### Hack Like a Pro : How to Perform Stealthy Reconnaissance on a Protected Network

Welcome back, my fledgling hackers! One of the first issues any hacker has to address is reconnaissance. Before we even begin to hack, we need to know quite a bit about the target systems. We should know their IP address, what ports are open, what services are running, and wh ...more

### Minecraft Monster Slaying : How to Drown Your Enemies with a High-Suction Moat

Minecraft just wouldn't be the same without all of those pesky monsters trying to break into your house and jump on you until you die. But that gets tiring after awhile, and sometimes you just want a safe place to go where you don't have to worry about being eaten, shot, or bl ...more

### Build a Home Arcade Machine : Part 1

Remember the arcades? Were you saddened when they closed up one by one, leaving no outlet to actually go out and socialize while you played video games? With all the home consoles and internet connectivity, gaming has evolved, but the social factor has been eliminated. Sure we ...more

### How To : Use SSH Local Port Forwarding to Pivot into Restricted Networks

SSH is a powerful tool with more uses than simply logging into a server. This protocol, which stands for Secure Shell, provides X11 forwarding, port forwarding, secure file transfer, and more. Using SSH port forwarding on a compromised host with access to a restricted network ...more

### How To : Find the area of an oblique triangle using formulas

In this tutorial the instructor shows how to find the area of an oblique triangle using different formulas. To find the area of an oblique triangle there are different formulae. The first formula to calculate the area of a triangle is area A = (1/2) * a * b * Sin(C), where a a ...more

### News : Minecraft World's Ultimate Survival Guide, Part 2

Welcome to Minecraft World! Check out our advanced tutorials and come play on our free server. Welcome back to Minecraft World's Ultimate Survival guide! A few days ago, we reviewed a good way to start off right when you spawn, plus a small rundown of the mobs. Now we will co ...more

### Raspberry Pi : Physical Backdoor Part 1

This tutorial is one technique to use the full functionality of your Pi. The small size makes it ideal for inside hacks, but still has the capabilities of a average desktop or computer. I should mention that a tutorial that OTW has done, but I'm gonna take it a step further. O ...more

### How To : Pin Stickers in Instagram Stories to Real-World Locations or Subjects

Adding Stickers to your Instagram Stories is a great way to spice up your story, giving it another dimension that bare pictures don't have. Those who use Snapchat know that platform features stickers as well, and you can even pin them to your Snaps. Fortunately, Instagram lets ...more

### How To : Install vinyl cove molding

Vinyl wall base molding is an easy-to-install substitute for wood baseboard molding. In areas that you have installed a vinyl or carpeted floor, vinyl wall base molding is a very decorative and functional option for surrounding the room perimeter. You have several color choice ...more

### How To : Make a Yoshimoto cube

FK describes how to make a Yoshimoto cube. First, print out the template. Then, trim the paper with scissors along the perimeter and glue the edges into a 3D pyramid. Repeat these steps until you have 48 cubes. Fix 3 pyramids together 16 times. Arrange pyramids in groups. Repe ...more

### How To : Set support beams and rim joists for a wooden deck

This video tutorial from Hometime TV shows how to set supporting beams on top of posts when building a deck. It also shows how to install the rim joists, which define the perimeter of the deck, and demonstrates several types of metal connectors for these framing elements. The ...more

### How To : Install No-Frills Drip Irrigation

Solving a Dilemma This is a simple how-to for a cost effective drip irrigation system for your garden. My motivation to set up my garden for drip irrigation was pretty simple. In the summer, it gets to 90+ degrees outside, and my 50’ garden hose didn’t reach the far extents w ...more

### Dungeon Defenders : Heaven for Hardcore Gamers

Dungeon Defenders is the most exciting craft game on the Fall 2011 release schedule. I got a chance to play it at PAX in August and interviewed developers Trendy Entertainment last month. After more than a year of publishing difficulty and delay, the game finally came out on P ...more

### HowTo : Roast a Pig on a Spit

Why settle on just pork chops or ribs when you can string up the entire pig? Serious Eats posts an great slide show on roasting a whole pig, from materials to the process to the perfect pig roastin' sauce. Warnings PETA members should probably exit this page right about now. ...more

### How To : Make a flower fairy paper art doll

In this video tutorial learn how to make a jointed flower fairy paper doll sitting on top of a trinket box. You will need three strips of paper and two circles cut out of paper. To create the box, curl the strip with a pencil. Then adhere scotch tape to the strip and tape the ...more

### How To : Burn Your Cake? Keep Calm & Make Delicious Desserts

We've all been there before. Preheated the oven, popped in the cake, and then became distracted by this, that, or the other... until we either smelled burning or had the smoke detector pierce our eardrums. Don't Miss: How the Freezer Can Save Your Almost-Burnt Food The casua ...more

### How To : Install KronoSwiss laminate flooring

While remodeling or redoing a room, many owners will inevitably want to install laminate flooring. This video shows how to install laminate flooring beginning with what tools and supplies will be necessary and then showing panel-by-panel how to install each floor panel. It als ...more

### How To : Install a pond skimmer

Install a pond skimmerThe most critical steps to installing a skimmer are the water level and attaching the liner to the face plate with a water tight seal. The pond should be rocked in. The skimmer needs to be level from front to back and side to side. That's critical. Optimu ...more

### How To : Fly a RC helicopter using cyclic and rudder controls

Mikey shows you how to use the cyclic controls on a 6-channel helicopter radio controller. Cyclic controls move a helicopter forwards and back, as well as side-to-side. If you're comfortable with using the rudder controls, you're ready to move on to the cyclic control, usually ...more

### How To : Some Terms a Hacker Must Know...

Welcome back Hackers\Newbies! Hey guys first of all I would like to explain my absence here in NullByte. I got a little "occupied" with "other things". When I got back, I saw all these HowTo's, articles, Help Questions, I decided, I need to share more of what I have, to you g ...more

Home improvement expert Danny Lipford discusses installing commercial grade carpet. Watch this video tutorial to see how to install commercial grade carpet in your home. This small room is perfect for a piece of low pile commercial carpet we picked up for \$100. Start by align ...more

### How To : Install laminate flooring in your home

Laminate flooring is easy to clean and is a great way to spruce up a room. With yourlist of items in hand and a little bit of elbow grease you can have new floors in no time. Don't forget: measure twice, cut one. Sidestep expensive labor costs by installing your own laminate ...more

### How To : Replace the battery on the Apple iPhone 3G

Repairs Universe demonstrates how to replace the battery on an Apple 3G iPhone. First, remove the SIM card and remove the two screws from the bottom of the phone. Next, use a safe pry tool and run it along the phone between the bevel and the glass to pop out the screen. Then, ...more

### How To : Tell Graham Crackers to GTFO & Make S'mores in Cones

The most genius summertime snack hack that we've come across recently is, without a doubt, the campfire cone. Astounding in its simplicity and ease of preparation, yet brilliant in its execution, the campfire cone has something for everyone: parents and children, expert and no ...more

### How To : Why You Don't Actually Need Any Pans to Bake Like a Pro

If you're anything like me, the urge to bake comes in waves. Winter constitutes an especially large wave; when I need to put on a few extra pounds for insulation, I go a bit carb crazy and take any opportunity to make breads, pies, and cakes. However, home bakers are limited ...more

### How To : Replace your car's wiper fluid

Here in this video we are about to see how windshield wiper fluid is being changed. Open the car and look for the symbol which is on the cap of the reservoir. Remove the cap. Now pour the wiper fluid into the reservoir. The wiper fluid used varies from deicer to detergent. Peo ...more

### How To : Calculate the circumference of a circle

This video shows how to calculate the circumference of a given circle. The video first describes the circumference or perimeter of a circle as the distance around the outside of a circle. To find the circumference we need either the radius or the diameter of the circle. When y ...more

### How To : Install new windows in a new construction project

Steve with Eikenhout Educational Video Series and Paul Griggs with PGriggs Construction demonstrate how to install new windows during a new construction application. You will need a level, a utility knife, a caulk gun and a hammer to install the windows. First, cut the house w ...more

### How To : Make a Super Cheap Floating Beer & Soda Pool Cooler

Being in a cool pool on a hot day—it doesn't get much better than that, right? Well, unless you also have some ice-cold drinks to go along. But getting in and out of the pool to grab a drink form the soda cooler or beer chest can be extremely annoying, especially if you have ...more

### How To : Build a crochet style tent-bed for your pet

Crochet a cool house-tent for your little homeless friends. This instructional video will walk you through a super simple pet project. Whether you're out to craft dwellings for a dog, cat, pig, or free-range snake, this tutorial demonstrates how to build and combine all the ne ...more

### How To : Make a sturdy tote from plastic shopping bags

With only a few simple steps, you could be on your way to making an eco-friendly and fashionable tote! Put the plastic bags from grocery and retail stores to creative use by fashioning them into a sturdy tote. Step 1: Collect plastics bags Collect at least 30 clean plastic b ...more

### How To : Lift and repot a black pine bonsai

Charles M., an attorney and bonsai cultivator, demonstrates how to transfer a field grown Japanese Black Pine that is ready for training. A 5-gallong nursery specimen was purchased and planted in the ground with a bonsai compound soil to keep its roots close and compact during ...more

### How To : Use Heron's formula

Area of a triangle can be calculated when you have the length of its base and height. In this case the area is 1/2 times the base and its height. If you do not know the height of the triangle but know the lengths of all the sides of the triangle then you can calculate its area ...more

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