In this tutorial the author shows how to find out the missing part of a triangle that is similar to another triangle. He explains the concept of similar triangle diagrammatically by showing that similar triangles have similar angles and parallel sides. Now he labels sides of s ...more

For people who are having problems with certain parts of geometry, this video will offer you advice on how to find a missing angle on the outside of a triangle when you are provided with the measurements of the other two angles in the triangle. Since the sum of the angles in a ...more

In this tutorial the author shows how to find out the missing side of a triangle which is similar to an other triangle. He explains the concept of similar triangle using diagrams and by showing that similar triangles have equal corresponding angles and parallel sides. Now he l ...more

Are math problems getting you down? Well this should be of some help. Here is how to find a missing angle inside of a triangle. Now the first thing to remember when solving this type of question is that the sum of all the three angles inside a triangle is equal to 180 degrees. ...more

What Is Pythagorean Theorem? Pythagorean Theorem is an equation discovered by a man named Pythagoras. It can be used to determine whether or not a triangle is a right triangle and find missing lengths of a triangle. The equation is: Parts of a Triangle The hypotenuse is the ...more

Omar, Hayley, Gary, and Autumn teach us how to use a protractor. They give a bit of information from About.com on the history of protractors. They are used to measure angles. The first protractor was used to help with navigation and invented in 1801. To measure an angle, line ...more

Could you use a little help figuring out how to find an unknown angle in a paralellogram? Watch this free video geometry lesson. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And ...more

Learn how to use trigonometric functions to calculate the sides of a right triangle. 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 e ...more

This video shows you how to easily find the area of a parallelogram and the area of a triangle. The first part of the video teaches you how to find the area of a paralellogram. The area of a parallelogram is BxH, where B is the base and H is the height. The height is obtained ...more

In this video Ken teaches you about the Pythagorean Theorem. The Pythagorean Theorem is used to find the missing length of a side of a right triangle. By watching this video, you will learn how to find any the length of any side by using a simple mathematical formula. Ken walk ...more

In order to find the cosine of a triangle in trigonometry, you will need to understand the CAH formula, part of the larger mnemonic of SOHCAHTOA, which outlines how to find the sine, cosine, and the tangent of an angle. The video offers accurate diagrams as well as examples in ...more

In this video series, you're going to learn how to bake and frost a sheet cake. This video goes over the first step: gathering all your ingredients. You don't want to start baking and find out you're missing something! Part 1 of 17 - How to Bake and frost a marble sheet cake. ...more

The Pythagorean theorem is a simple theorem that states that - for a right angled triangle the square of the length of the hypotenuse is equal to the sum of the squares of the length of the remaining two sides. In this video, a right angled triangle with three sides, namely a ...more

This video shows how to solve a very basic yet very important geometric problem which is, finding a missing angle of a triangle. This videos shows the viewers more than one basic information about the triangle. It is a short and simple example which is very much helpful for th ...more

In this math lesson we will investigate easy Pythagorean Theorem proofs and problems. The Pythagorean Theorem takes place in a right triangle. The longest side in a right triangle is called hypotenuse, and the other two sides are called legs. The hypotenuse opposes the right ...more

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

The video teaches the viewer how to find the area of a parallelogram and the area of a triangle. For a parallelogram, the first step is to find the right angle, the line perpendicular to the base (this is a line you draw, not part of the parallelogram). The height of the line ...more

Apple released iOS 7.1.2 just over three weeks ago, mostly to address some big security issues and a few minor bugs. Unfortunately, the update came with a problem of its own regarding missing contacts and iCloud syncing. It's not something that appears to be happening to ever ...more

The Pythagorean Theory is a way to find the missing length of a right triangle. Here is a right triangle with a description. The Formula for Pythagorean's Theory is A squared + B squared = C squared. If the hypotenuse is missing then you would use the formula above. If one of ...more

Welcome to Minecraft World! Check out our tutorials, post to the community corkboard, and come play on our free server! The workshop last Saturday revolved around creating a working movie screen in Minecraft, and everyone joined in to see how it works. But this tutorial is fo ...more

LEGOs are more than just a toy for young children— it's an emerging art form combining photography, stop-motion (i.e., brickfilms), and imitative models that portray today's pop culture as it is. It's something visual culture analysts are sure to be studying over the next deca ...more

In a recent arbitrage tip, we showed you the secret to making money fast by buying and selling the same thing over and over again on eBay. But there's one thing you need to know about the buying part—get the lowest price possible! This article aims to show you some of the best ...more

It's that time of year again when pizza boxes line the room and buffalo wings stain the couch. When cases of beer sit in the cooler and the big screen TVs are fired up and properly calibrated. When two of the best football teams vie for the championship title and the Vince Lom ...more

The last few months of WikiLeaks controversy has surely peaked your interest, but when viewing the WikiLeaks site, finding what you want is quite a hard task. Despite rumors of easy access via the Kindle and iTunes App Store, there currently is no way to view the leaked docum ...more

SCRABBLE. To some it's just a game, but to me it's life or death. Well, not really, but it feels that way anyway. On a normal weekend, a game becomes much like Jon Thomas' "friendly game of death Scrabble." Video: . When I'm playing a game of SCRABBLE, my friends are not frien ...more

Kindle users love reading. But let's face it—nothing compares to the feel of a book in your hands. Sure, Amazon's Kindle makes it possible to read more books, clears up a lot of shelf space, fits snugly in anyone's baggage and can actually be cheaper in the long run. But each ...more

Umbra, penumbra. Not exactly abracadabra, but if you've taken an astronomy class, you know exactly what the umbra and penumbra are. And any Earthling would agree that the umbra is the best place to be during a solar or lunar eclipse. When the Sun, Earth and Moon are precisel ...more

This Dragon Age 2 sidequest, entitled 'First Sacrifice', is pretty aptly named. You'll be helping a man named Ghyslain search for his lost wife, whose fate has not been entirely pleasant. Check out these four videos for a full walkthrough. From the Creator: 1. Find the Help ...more

This next tutorial isn't for anyone under the age of 18 and it should be noted that this video leads to the finding of naked women. With that said, the guys from Achievement Hunter will be showing you the location of all five hidden Playboy Playmates in the demo for Mafia II. ...more

It's mid-January and some of you happy tax-paying citizens have already started receiving your W-4s and 1099s in the mail. But before you start filling out your 2010 Federal Tax Return, make sure you're hip to all the tax tricks in 2011. You could end up saving some money! Be ...more

As the best-selling toy of all time, the odds of you once playing with a Rubik's Cube are pretty high. And if you're like me, or even the cube's inventor Erno Rubik, your first attempts likely ended in futility. Every twist, every turn, the cube just gets more and more mixed u ...more

The science-fiction author, Arthur C. Clarke, once said, "That any sufficiently advanced technology is indistinguishable from magic". Who would have thought that we could create a wave of air with a piece of cardboard, and fly a folded sheet of telephone book paper on the wave ...more

These videos will take you through the fifth episode in Alan Wake on the Xbox 360. You're almost to the point of discovering where Alan's missing wife is. Is she in Bright Falls or is she dead? Before you can find out, you have to defeat Episode 5 - The Clicker. Watch the game ...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

Tol Barad sounds pretty exotic, but really, what doesn't in World of WarCraft: Cataclysm? If you're a WoW: Cataclysm player and haven't heard of the Tol Barad zone yet, then what in the hell have you been doing? Letting a bot play your game? Maybe the WoW Glider? Tsk, tsk. W ...more

A full guide to making the perfect ninja star. I've seen loads of videos of how to make Ninja Stars, and I don't have a clue what they mean. So I decided to make this how to video on paper ninja stars (aka shurikens) and it's easier to understand and follow, especially for you ...more

When you need to crunch numbers quickly — and I mean really quickly — there's a cool method you can use to multiply two numbers together in just a few seconds. This is great when you need to speed through multiplication homework, and is also good for impressing your math teac ...more

Are you having problems because the game was released a long time ago and the more experienced players are better than you? Then you should be very excited to find out that I will be giving you some general tips & tricks about the different classes that I have learned the hard ...more

Since its launch in 2001, Wikipedia has become the number one reference site on the web, used by anyone and everyone, written by anyone and everyone. With over 18 million collaboratively written articles, there's backgrounds and descriptions on practically everything—if it exi ...more

Introduction Halo: Reach is Bungie's latest and final addition to the franchise. Microsoft has claimed the title and from now on 343 Industries will be working on the Halo franchise. In my opinion, Bungie's last game is the best out of all of them. These are some tactics and ...more

Skulls. What spooky Halloween décor or staging of Hamlet is complete without a skull or two popping up? For ghoulish special effect and/or setting a dramatic scene, skulls are absolutely integral. Well, with some artistry, hardware supplies, and a good dose of patience, you ca ...more

This is a detailed tutorial on how to build an expoxy clay dinosaur with the Dino Tech technique. The epoxy used here is called Magic sculpt, and can be found at http://www.sculpt.com. This sequence is a series of 25 videos, of which the 7th is missing. They detail the individ ...more

Things You'll Need A fully working operating system that supports VirtualBox (Windows, OS X, Linux or Solaris) VirtualBox 4.0+ Tips VirtualBox for Windows / OS X / Solaris can be downloaded here. All Linux users hold your breath. There is a better way to install VirtualBox ...more

Welcome to Minecraft World! Check out our advanced tutorials and come play on our free server. Part 5 in Minecraft World's Ultimate Survival Guide is, for me, the longest article to write. Since I squeezed out a lot of information from other areas to put into survivability, i ...more

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

Sometimes an iDevice is best used for idle, pointless fun. Today's segment of Making Art on Your iOS Deviceis a mixed bag of time-wasting cool effects and random, but useful art-making tools. Below, 10 apps for creating anything from erratic hand-shaken digital effects to your ...more

Here it is! The final chapter in Monkey Island 2! Dinky Island! A very anti-climactic name for a final chapter if I ever heard one. It's the final showdown with LeChuck, and we find out some great secrets about their relationship! If you're a little lost, or if you're wonderin ...more

In this video, we learn how to fully remove a tick. Ticks can carry diseases, so it's best to get rid of these right away, checking your pet daily. Find the tick and then grab it as close as you can to your pet's skin. Pull it out and make sure you've gotten all the parts. The ...more

Dougsimmsonline shows how to determine whether or not 2 triangles are similar. Not only does he go on to show that they are but he describes step by step how to do the math to find missing angles. He does this process twice to show one set of triangles being similar and show t ...more

This weekend, I was on a trip to Binghamton. In the midst of unpacking my toiletries at the hotel, I found that my brand new razor blade had lost its cap. How did I find that out? Well, when I pulled my hand out of the bag, I found that my right pointer finger was missing a bi ...more

Ready to try and sew-in your own weave? It's a big decision. As with everything that concerns our hair, we struggle with the pros and cons and often dwell on what could go wrong. Pixie cut. Perm or not? New shade (of pink, purple, or blue). These are all major decisions becaus ...more

Search engine optimization (SEO) is now one of the most important topics for website owners to understand. Anyone that depends on their website to bring them business needs to know the ins and outs of SEO in order to maximize their website’s potential. And if you want your web ...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

Three years ago, Double Fine productions held an in-house event called the Amnesia Fortnight. The company was split into four teams, each of which set out to spend two weeks developing an idea for a small game and present it to the other groups at the end of the duration. All ...more

Math Craft admin Cory Poole posted instructions on How to Make a Cube, Octahedron & Icosahedron from Sonobe Units, plus some great complex models in his article, How to Make a Truncated Icosahedron, Pentakis Dodecahedron & More. These models use the standard sonobe unit and a ...more

Photoshop. It’s like a mountain to climb. You can chug up to the top, working hard, never letting up, or you can just go part way up and scoot around the side of the mountain and still get to the other side. Not everyone needs to be a Photoshop guru, or ninja pixel punisher. T ...more

Dear Miss and Mrs. H, I love your blog! Its nice to get two completley different opinions on one subject. I have a couple questions for you both and then need some advice. Well I am a Housewife myself and have been married around 5 years. We don't have any children yet and h ...more

In this tutorial, we learn how to make a duct tape flower pen. First, make three triangles the same size out of pieces of duct tape. Leave a sticky part at the bottom and color the rest of it red. You can also purchase red duct tape if you find it available. Now, wrap the piec ...more

In our personal experience, the hardest part about a science investigatory project is simply coming up with a good idea. And we suggest that for your investigatory project you find a topic that's both novel and useful. Check out this science tutorial to learn how to make a ba ...more

In our media-enriched world, past and present, SCRABBLE has made a name for itself, whether deliberately, subconsciously, or influentially. You may have a read a book that had the popular word game within a chapter, watched a movie that showed your favorite characters bringing ...more