Virtual Nerd
Virtual Nerd: What's the Formula for the Perimeter of a Rectangle?
This tutorial shows you how to find the formula for the perimeter of a rectangle. [3:01]
Virtual Nerd
Virtual Nerd: How Do You Find the Perimeter of a Shape?
The perimeter is the distance around an object. Watch this tutorial to learn how to find the perimeter of a shape. [3:36]
Virtual Nerd
Virtual Nerd: What Is Area?
This tutorial provides an introduction to area and explains how we find the area of a figure. [5:51]
Virtual Nerd
Virtual Nerd: How Do You Find the Area of a Rectangle?
Explains how to calculate the area of a rectangle using the formula where area equals length times width. [2:56]
Virtual Nerd
Virtual Nerd: How Do You Find the Area of a Parallelogram?
If you know the length of the base and height, it's easy to find the area of a parallelogram. This tutorial walks you the process of solving for area. [4:38]
Virtual Nerd
Virtual Nerd: How Do You Find the Area of a Trapezoid?
To find the area of a trapezoid you must have the length and height of each base. Get a better understanding of how to find the area by watching this tutorial. [4:19]
Virtual Nerd
Virtual Nerd: Find the Height of a Triangle if You Know the Area and Base
Take a look at this tutorial to learn how to use the formula for the area of a triangle to find the height if you already know the area and the length of the base. [6:09]
Virtual Nerd
Virtual Nerd: Find the Height of a Trapezoid if You Know the Area and Bases
Use the formula for the area of a trapezoid to find its height. Watch this tutorial to see how it's done. [6:54]
Virtual Nerd
Virtual Nerd: How Do You Find the Area of a Composite Figure?
Take a look at this tutorial to see how to break down a composite figure into simpler figures, then discover how to find the area of each of those individual figures to find the area of the entire composite figure. [4:18]
Virtual Nerd
Virtual Nerd: Find the Circumference of a Circle if You Know the Diameter
It's easy to find the circumference of a circle if you know the diameter. Just plug in its value into the formula for the circumference of a circle to get the answer. This tutorial shows you how. [3:28]
Virtual Nerd
Virtual Nerd: Find the Circumference of a Circle if You Know the Radius
It's easy to find the circumference of a circle if you know the radius. Just plug the value for the radius into the formula and solve. This tutorial shows you how. [4:18]
Virtual Nerd
Virtual Nerd: Find the Radius of a Circle if You Know the Circumference
Use the formula for the circumference of a circle to find the radius. This tutorial shows you how to use that formula and the given value for the circumference to find the radius. [3:43]
Virtual Nerd
Virtual Nerd: How Do You Find the Area of a Circle if You Know the Radius?
Watch this tutorial to see how you can use the radius of a circle to find the area of that circle. [3:18]
Virtual Nerd
Virtual Nerd: How Do You Find the Radius of a Circle if You Know the Area?
You can use the formula for the area of a circle to find the radius. This tutorial shows you how to use that formula and the given value for the area to find the radius. [3:28]
Virtual Nerd
Virtual Nerd: How Do You Find the Area of a Circle if You Know the Diameter?
If you have the diameter of a circle, you can use it to find the area of that circle. Watch this tutorial to learn how it's done. [4:01]
Virtual Nerd
Virtual Nerd: How Do You Find the Area of a Sector of a Circle?
Take a look at this tutorial to discover how to find the area of a sector of a circle. [4:23]
Virtual Nerd
Virtual Nerd: How Do You Find the Volume of a Cylinder?
View this tutorial to see how to use the formula for the volume of a cylinder (V=Bh) and the radius and height of the cylinder to find the volume. [4:36]
Virtual Nerd
Virtual Nerd: What Is a Sector and Central Angle?
This tutorial provides an introduction to the term sector and gives you examples of sectors. [2:23]
Virtual Nerd
Virtual Nerd: What Is a Composite Figure?
Figures that look like a combination of multiple figures are called composite figures. This tutorial introduces you to composite figures and shows you how to break them into multiple shapes. [2:39]
Virtual Nerd
Virtual Nerd: What Is the Formula for the Area of a Triangle?
You can find the area of a triangle by using the same formula for the area of a parallelogram. Watch this tutorial to see how it's done. [4:44]
Virtual Nerd
Virtual Nerd: What Is the Sine Ratio?
The sine ratio is very useful when dealing with right triangles. This tutorial investigates what the sine ratio is and how to use it to find angle measurements in a right triangle. [6:49]
Virtual Nerd
Virtual Nerd: How Do You Find the Tangent of an Angle in a Right Triangle?
In this tutorial, find out how to find the tangent of a particular angle in a right triangle. [3:13]
Virtual Nerd
Virtual Nerd: How Do You Find a Missing Side of a Right Triangle Using Sine?
The sine ratio is not only used to identify a ratio between two sides of a right triangle, but it can also be used to find a missing side length. This tutorial shows you how to use the sine ratio to find that missing measurement. [4:29]
Virtual Nerd
Virtual Nerd: How Do You Solve a Problem Using an Angle of Elevation?
Tutorial demonstrates how to use the tangent ratio to find the height of a hill. [5:12]