Virtual Nerd: What Is an Angle?

Vertical angles are always congruent to one another. Take a look at this tutorial to learn about and see how to identify vertical angles. [4:07]

Complementary angles always add up to 90 degrees. Watch this tutorial to learn about complementary angles and see how to use this knowledge to solve a problem involving these special types of angles. [3:20]

Take a look at this tutorial to learn about the different kinds of angles and how to identify them. [4:15]

Take a look at this tutorial as it introduces you to supplementary angles and shows you how to use them to solve for a missing angle measurement. [3:20]

This tutorial introduces transversals and shows what happens when a transversal meets two parallel lines. [6 :22]

Prepare for the SAT by reviewing how to simplify expressions using the distributive property. Watch this video for an explanation and examples. [5:45]

To simplify radicals, review the product property of square roots. This video will explain the concept along with examples. [4:15]

How do you take a square root of a fraction? Watch this tutorial on how to use the quotient property of square roots to find the answer. [3:50]

Watch this tutorial to learn about the Triangle Sum theorem which is useful in finding interior angle measurements. [4:48]

The Law of Sines helps with finding a missing side or angle measurement of a triangle. Watch this tutorial to learn about this proportion. [5:57]