Find Area Trapezoid

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

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

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 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

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

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 determinant & area of a parallelogram. The determinant of a 2x2 matrix is equal to the area of the parallelogram defined by the column vectors of the matrix. Graph both of the equations that you are given on the vertical and horizontal a ...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

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

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

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

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

In this video tutorial, viewers learn how to solve for the circumference and area of a circle. The circumference is the distance around a closed curve. The formula for circumference is C= pi x d. The diameter is two times the radius (d= 2r or r= d/2). The value of pi is approx ...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

In this tutorial video the author shows how to find the length of the median of a trapezoid. He starts to show that we first need to add the sum of the parallel sides of the trapezoid which are on the either side of the median. Now this obtained value is to be divided by two t ...more

In this tutorial the instructor shows how to compute the area of irregular shapes. He demonstrates this with an example showing an irregular area and says that as there is no direct formula to calculate it, you need to break up the irregular area into identifiable simple geome ...more

In this tutorial, we learn how to unlock the Tank Dropper achievement in Halo 3. This is an easy achievement that you will do when you first start out in the level. This is where you have to drop a tank onto someone and kill them. To do this, you need to stand up on a higher a ...more

Need to know how discover the area of a triangle or rectangle? 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 ...more

This video tutorial from iDeviceTutz shows how to change the SSH root password for iPhone or iPod.When iPhone or iPod is jailbroken it sets its password to default - alpine.Thus your device becomes vulnerable from a network attack that could steal your information or identity. ...more

Watch this how-to on making a survival bow and arrow using material you can find in any wooded area. Start with a branch and avoid dulling the knife by going around the piece and making cuts and grooves. For the arrow, use a hardwood. To learn more, check out the video! NOTE: ...more

Check out these tips on the Adobe Bridge Center. Not only does the Bridge have excellent features for file browsing and file organization, but it also has the central area, consider it the hub, where you will find features that will further streamline your workflow. In this vi ...more

Spider-Man 2099, one of the four dimensions in Spider-Man: Shattered Dimensions, and quite possibly one of the coolest! If you're going for a full 100% completion of the game, you're going to want to get all the hidden spiders. In this video you will get a full walkthrough of ...more

In this how to video, you will learn how to find the North Star in the northern hemisphere. To do this, you must know how to locate the Big Dipper and the Little Dipper. The Big Dipper is one of the brightest constellations in the sky. You can use this constellation to find th ...more

If you have Skate 3 for the Xbox 360, here's a tutorial on how to get 30 points to add to your gamerscore. In this video, you'll find out how to get the Spot Monopolist achievement in the Industrial area. It can be a difficult achievement to unlock so, it will require all of y ...more

You may not realize it, but haveing your seat adjusted properly to the right height and angle, can help prevent any sort of injury. Not only will it keep you and your bike safe, but it will also improve your cycling efficiency. In this next video, you'll find out how to find ...more

If you're thinking about getting a piercing, but aren't sure how it will make you look, you can use a program like Photoshop or GIMP to edit in a fake piercing. Start with a photo of yourself, with the area you are considering piercing shown prominently. Then find a picture of ...more

The Widowmaker boss in Resistance 3 is fairly intimidating. You'll need to properly locate her weak spots while avoiding getting destroyed by her acid. To beat the Widowmaker, you'll also need to move rapidly through the environment using cover and the zipline in the area. Use ...more

Did you know that in Deus Ex: Human Revolution there's a hidden rocket launcher hidden in Derelict Row? While there are many different panths into the area, this Game Front video presents you with a simple one that will allow you to find and use a rocket launcher to your heart ...more

This video will show you what your head voice is and how to sing high notes. Your head voice is a higher range than your normal chest voice, which can only go a certain range. Your head voice is the voice that occurs when your singing and vibration of your vocal chords is felt ...more

If you are law enforcement or find yourself in an emergency situation you may need to know how to properly conduct surveillance in a rural area. You will have to gather information without being scene and will need different techniques when out in the wilderness. Federal Law ...more

In this week's GreenerBusiness Podcast, we show you how to find new purpose in an old one foot piece of bamboo and a CD case. Who wants wires cluttering their iPod area? No one. Use that bamboo for a dock! And see how many possibilities they are for a simple CD case to be more ...more

This video is a must-see for any Dragon Age 2 player. It will teach you how to use a small glitch to get as much money and XP as you want, quickly and easily. It has not been patched, and will allow you to cheat your way through Dragon Age 2 as much as you see fit. From the C ...more

This video will show you how to make a stop motion film using an editing program called Windows Movie Maker. Find a place to film your stop motion movie. Preferably a well lit area where the light source is constant. Set your camera on a tripod and position at the angle you pr ...more

If you're trying to learn how to speak and understand the English language this video should help in one area: generic nouns. This is an easy subject that anybody can pick up on. In this tutorial, you'll find patterns for making generic nouns when talking about things such as ...more

One level that has everyone frustrated is The Vulture, there are some hard-to-find hidden spiders on this level, they don't call them hidden for nothing! In this fantastic video you will get a complete walkthrough of every location for each spider as well as a great commentary ...more

In this video, we learn how to find your true skin undertone. Although you may look at your face and think that you have pink undertones, you might not. You will want to look at your chest and see if you are more yellow toned than you are red. This can help you choose your mak ...more

The Improper Behavior achievement in Dead Rising 2 demands that you spraypaint all of the 33 Zombrex posters hidden in the game. This take a lot of paint and lot of observation, and some help from this video. It will show you where each poster is, and the creator wrote up a ha ...more

Have you ever taken a photograph indoors and found that all the colors turned out wrong? Everything may have looked far too yellow or far too blue. It was not the fault of your camera. Instead, you probably forgot to set the white balance. What is white balance? Lets find out. ...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

Calculating The Area Of A Parallelogram A parallelogram is a 4-sided shape formed by two pairs of parallel lines. Opposite sides are equal in length and opposite angles are equal in measure. To find the area of a parallelogram, multiply the base by the height. The formula is: ...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

Quadrilaterals are four sided shapes that are closed. They are polygons. Quadrilaterals can be classified broadly in two ways. If the quadrilateral has a two pair of parallel sides then it falls in to the parallelogram category. Further now it can be broken down in to other sh ...more

In this tutorial, we learn how to do the "Out of Vans Skate Park" glitch in THAW. First, turn on low gravity, then head to the hallway that leads into the skate park. Sticker slap to climb the fence, then find the area behind the fence and behind the black and yellow tape. Use ...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

When trying to locate water in a dry desert look around to see if there are any disingenuous trees since these trees are usually near lakes and falls. Once you have located one find a low spot or a damp area near the tree. Using a stick or another tool available dig a hole int ...more