A pyramid is a three dimensional figure with the base in the form of a triangle and three slant sides to it. To find the surface area of a pyramid you have to find the area of the different pieces that make it up. The pyramid base can be triangle or even other geometric figure ...more
Finding the surface area of a pyramid is a bit different than finding the surface area of a 2D triangle. But, don't be scared, it is not as hard as it sounds. Have a look at this tutorial, and learn exactly how to find the area of a 3D object, specifically a pyramid. The good ...more
In this tutorial, the instructor shows how to compute the surface area of a regular pyramid. A regular pyramid has four equal sides which are in triangle form, and the base in square form. Its surface area is four times the area of its side plus the area of its base. He goes o ...more
Viewers learn that a net is the shape formed by "unfolding" a 3-dimensional figure, so a net shows all the faces that make up the surface area of the figure. Viewers are then asked to determine what type of 3-dimensional figure can be made from a given net (note that a cylinde ...more
In a surprising twist of expectation management, Magic Leap managed to not only ship but deliver the Magic Leap One I ordered on Wednesday by 4 p.m. PT on the same day. After spending about an hour with the headset running through set up and poking around its UI and a couple ...more
Foodies and big-time chefs like Thomas Keller go crazy for fleur de sel. This finishing salt appears in fancy eateries and cookbooks the world over, and in the early 2000s, it was not uncommon to see diners in a high-end restaurant sprinkle a pinch of fleur de sel on their pla ...more
In this video, we learn how to find the surface area of a prism using a specific example. First you will need to find the base and height of your prism. If the base edge is 6 and the height is 8 you will do the equation Area= 1/2 bh. Doing this math out on your calculator, you ...more
In this how to video, you will learn how to find the volume of a sphere and surface area. Let's say you need to find the volume of a sphere with a surface area of 200 cm cubed. You will need to know the formulas for surface area and volume of a sphere. The formula for surface ...more
This video tells us the method to find the surface area of an aluminium can or cylinder. The surface area includes the outside area of the curved portion and the aluminium top and bottom. The formula to find area is the multiple of 2, pi, r, r+h or (2)(pi)(r)(r+h). The radius ...more
From the people who brought you the Dummies instructional book series, brings you the same non-intimidating guides in video form. This is Mathematics for Dummies. Just watch this video tutorial to learn how to find the surface area of a surface revolution, For Dummies. The su ...more
In this video tutorial the author shows how to find the surface area of a cylinder. He shows a four step approach to solve this problem. First he gives us a formula to find the surface area of a cylinder, where Surface area A = 2 * Pi * R * R + 2 * Pi * R * H, where R is the r ...more
In this how-to video, the author, , Davitily, has a simple drawn out diagram of a cone figure and it's measurements, and also has the mathematical formula of how to find the surface area of this and any other cone figure. The video does not have sound, but it does have an ani ...more
These two math sixth-graders show us how to find the surface area of a rectangular prism. They used a tablet PC and the screen-capturing software, Camtasia Studio. If you always wanted to know how to calculate the area of a prism, then ...more
In this video, we learn how to find the surface area of a cube. Finding the surface area of a cube is something everyone will have to do in math. The easy formula to figure out this is: surface area= side x side x 6. Your first step to figuring out the problem is to find the l ...more
In this tutorial the instructor shows how to find the surface area of a sphere. He explains the equation to calculate the surface area of a sphere as 4 * Pi * r * r , where r its the radius of the sphere. Now if you have the radius of the sphere, by substituting its value in t ...more
Have a 3 dimensional figure that you can not figure out the surface area? This video teaches the fundamental concepts and techniques of figuring out the surface area of a 3 dimension figure. In this video, the specific shape will be a rectangular prism. The video will assist i ...more
First of all cut of the top and the bottom of the cylinder to get two circles. Now take a scissors and cut of the cylinder into two halves from the top to the bottom as shown. Now you get a rectangle shape. You can easily measure the length of the cylinder but to measure the b ...more
In this tutorial the instructor shows how to compute the Surface Area of a Cone. He explains that you need to find the individual surfaces areas first. Hence the bottom part of the cone which is circular can be calculated as Pi*r*r, where r is the radius of the base circle. No ...more
The video describes the "Calculation of the surface area of the cone without a slant". If the base circle diameter (d) and the height of the cone (h) are known, then the following procedure can be used for finding out the surface area oh the cone: Surface area of the cone is ...more
Do you need help in math? Unable to calculate the surface area of a rectangular prism? This video helps you understand how to calculate the surface area of a rectangular prism. By showing each step required to calculate the surface area of a prism and a detailed explanation of ...more
Math always seems hardest until someone shows you how to do the problem and then it all seems just so simple. This video will walk you through the process of finding the surface area of a cone when you also have to derive the slant height. Use this example to help with your ot ...more
With mathematics, as with anything else, not everyone progresses at the same rate. Geometry is no exception. Happily, in the age of Internet video tutorials, this isn't a problem. Those who progress quickly can go beyond what's being taught them and those who are struggling li ...more
This video both shows the viewer how to calculate the volume and surface area of a cylinder. It also explains what these different numbers mean. The volume is the amount of ‘matter’ that the cylinder can hold. The surface area is literally the area of the cylinders curved face ...more
Step by step directions for finding the surface area of a cylinder. In order to calculate the surface area of the cylinder you find the area of the two bases and add this to the lateral area. Video: . Surface Area of a Cylinder. Surface Area of a Cylinder explained,examples,an ...more
Steps involved in calculating the lateral surface and total area are: Consider a cylinder with radius r, height h. Then to find lateral area we need the formula 2*pi*r*h, circumference - 2*pi*r, total area 2*pi*(r+h) and area of circle (pi^2)*r. Therefore by using only the ra ...more
This helpful video gives simple step by step instructions on how to find area and volume of prisms. To find the area of a prism you must first find the area of the base, it may be rectangular, triangular, or otherwise. You must then multiply the area of the base times the heig ...more
Cartwheels are so much fun! Who doesn't love to twirl around? If you don't know how to do one of these fun moves, check out this video! Step by step, this tutorial will teach you how to relive your childhood or release your inner gymnast. You Will Need • Soft surface • Upper ...more
A pyramid is a three dimensional version of the triangle. In this video, learn how to find the volume of a pyramid. Finding volume is the next step after you learn how to find 2D area. Check out this tutorial and soon you will be tackling 3D objects just as easily as you learn ...more
This video shows the method to find the volume of a cube, cylinder, pyramid or cone. Volume is equal to the multiple of the area of the base and the height or V=(base area)(height). Starting with the cube, the volume= [(side)(side)](side) or side cube or side^3. In the video s ...more
Find a good work area where you can sit down and be comfortable. A kitchen table works perfectly for this. Be sure to cover the surface of your table with a plastic garbage bags and a thick layer of newspaper to soak up spills and prevent damage to your table's surface. Get al ...more
Starting to work at home? With more and more people trying to make a solid living at home, it's important to know the best way to set up a home office – even if you don't have a spare room. Learn how to set-up a solid work environment with tips from this video on how to create ...more
Before you can find the area of any geometrical figure, recall what you are finding when you solve for the area. The area is the surface of a 2-dimensional shape. When trying to find the area of a right triangle, the easiest way is to first double the triangle so that it resem ...more
There are three huge benefits to microwave popcorn: it's quick, it's delicious, and it's cheap. But there's a way to make popcorn that's better, more delicious, and cheaper than the microwave variety. And oh yeah, quite a bit healthier. Like anyone who enjoys movies and salty ...more
Reconnaissance is the phase of an attack where a red team or hacker designs a strategy based on the information they can learn about the target, as well as what the available attack surface looks like. These scans can take time to discover relationships, but Raccoon OSINT scan ...more
While iOS 11 is ready to take over your iPad, iPhone, and iPod touch, let's take a step back and check out all of the new features that iOS 10 brought to the public when it was released to everyone in Sept. 2016. Some of the updates from iOS 9 to iOS 10 were huge, as you'll s ...more
French toast is one of those things that everybody kind of knows how to make, but few people know how to do really well. And while the dish originally does hail from France (its original name, pain perdu, means lost or wasted bread), it has become a beloved American breakfast ...more
The microwave oven is a monumental technological achievement that's saved college students and single people from starvation for decades. Almost 97% of all American households have one, which makes it the most-owned kitchen appliance in US homes right after the refrigerator. ...more
Chances are you've got a bunch of wooden takeout chopsticks doing nothing but cluttering up your utensils drawer. That's a darned shame, considering that chopsticks aren't just for shoveling food into your mouth—they're actually the best cooking tools a cook can have (plus the ...more
It's currently 2011, but when you fire up your game console, put your hands on the controller and play the new Dead Space 2 video game, you're warped into the future— into the year 2511— just 3 years after the events that took place in the first Dead Space. And it's sure to be ...more
Fire. It’s everywhere— always has been. From the Ordovician Period where the first fossil record of fire appears to the present day everyday uses of the Holocene. Today, we abundantly create flames (intentionally or unintentionally) in power plants, extractive metallurgy, i ...more
Learning Style What kind of learner are you? There are three different ways people learn: Auditory learner: A person who learns best by listening. This type of person will benefit best by finding someone to study with, to ask each other questions, and to read the study mater ...more
Now that Minecraft is officially Minecraft Beta, it's time to do some of your own enhancements, and skins are a great start. Minecraft skins are a way to personalize your gaming experience, giving your Minecraft character the wardrobe that best suits him or her. You can make ...more
First off, don't be frustrated. YOU CAN DO IT! Contrary to the message in the image above, it's NOT over. It's just beginning. And when it comes to solving the New York Times crossword puzzle, the old cliche does apply: practice makes perfect. I've read quite a few books and ...more
Gather Supplies Ready to make the best Scrabble tile pendant possible? This easy tutorial will show you how to make your own custom necklace out of a Scrabble® tile. It will take about 1 hour of work, but there is time needed to let the pendant dry and cure. Ready to start? ...more
Last time we took a look at some of the creatures of the pond, including the dragonfly nymph. Today, we examine the all-grown-up dragonflies in the field you are used to seeing on summer days! Dragonflies are not dangerous, but the extra large ones can bite you something fierc ...more
There are a few ways to make trapdoors, but out of all of them, this one is my favorite. It's fast, completely hidden, and both opens and closes. This particular trapdoor can be used for a variety of purposes, such as hiding your valuable possessions, having a secret entrance ...more
Making your own circuit boards can be a daunting challenge. You have to design a schematic, test it on a breadboard, design the board layout, and then after all of that, you still have to print and etch a board! Luckily, we have Fritzing. Fritzing is a free open-source PCB d ...more
Glass is one of the least reactive substances known to chemistry. It is the standard container material for almost all lab chemicals because it's so inert. But there are a couple of substances that have strong reactions with glass. Sodium hydroxide, aka solid drain cleaner or ...more
Like theme music, I always feel that I need more fog in my life. Fog can be useful for many reasons—warding off smaller siblings from your bedroom, keeping curious hands out of your cupboard, and tricking your friends into thinking there's something horribly wrong with their v ...more
Who doesn't love Star Wars? No one, that's who. And if you love Stars Wars, logic would follow that you like lightsabers, so central are they to the tale's mythology. It's part sword, part laser, and makes a sound like a humming motor have multigasms. If I saw one in real life ...more
There is nothing more annoying than a greedy roommate. It's absolutely infuriating to wake up and find the cookies your mother just made for you gone without a trace. Your favorite drink is empty and the homemade meal you worked so hard on the night before is nowhere to be fou ...more
Technology in computers these days are very favorable to the semi-knowledgeable hacker. We have TOR for anonymity online, we have SSDs to protect and securely delete our data—we can even boot an OS from a thumb drive or SD card. With a little tunneling and MAC spoofing, a dece ...more
Welcome to Minecraft World! Check out our advanced tutorials and come play on our free server. Missed the other guides? Click on the links! Contents Starting off & Mobs Combat Food Mining Survivability Welcome back! Today we're going to look at the most important aspect to ...more
Anonymity is something that doesn't exist today. Everything you do in the world is tracked, from the purchases you make to surfing the internet—even taking pictures on your iPhone. Everything you have ever said and done on the internet is still there—somewhere. This is called ...more
Welcome to Minecraft World! Check out our advanced tutorials and come play with us on our free server. One of the easiest ways to get your creative juices flowing in Minecraft is pixel art. Pixel art uses various blocks in Minecraft to create pictures. These pictures are typi ...more
Fractals and stars are two of the most beautiful and complicated-looking classes of geometric objects out there. We're going to explore these objects and how to carve them on a pumpkin. Unlike the last one on carving polyhedral pumpkins, where we used the entire pumpkin to car ...more
Halloween is coming up, so many of you may have a need or desire to carve a pumpkin and turn it into a Jack O' Lantern. This week we are going to explore carving our pumpkins into interesting geometric shapes. In this post, we will carve the pumpkins into spherical versions of ...more
Video game controllers are our windows into the soul of the machine, our sole means of interacting with them. More often than not, consumers seem displeased by their controllers; it's comforting to blame sticky, poorly laid out buttons for messing up your game than your own la ...more
This is a cheap and easy way to make a sticky fly trap that can catch tons of whiteflies. Get a can of Tanglefoot’s Tangle-Trap Sticky Coating. I stored this in the greenhouse which may not have been a great idea, as you can see by the amount of rust there is on the can. Next ...more
This article details the step-by-step instructions on how you can make a strawberry tower that can be used for your hydroponics/aquaponics system. The water dripping through the system contains the nutrients, so soil is not used. The growing media is expanded shale, but you co ...more