Virtual Nerd: How Do You Identify Corresponding Parts in Congruent Triangles?

Congruent, corresponding, congruent corresponding. If two figures are congruent, then their corresponding sides and corresponding angles are congruent. Is this to be believed? Watch this video and see if the proof is in the pudding.

Brush up on converting numbers in expanded form into exponential form for the SAT. Watch how to write a repeated multiplication in exponential form. [2:34]

This tutorial shows you how to use the Triangle Sum Theorem to find the interior angle measurements of a given triangle. [5:09]

Review the process of converting a number in exponential form into expanded form. Watch this video to see the process in action. [2:44]

How do you simplify expressions that have negative exponents? This video will walk you through the process and provide examples. [3:39]

Review how to simplify an algebraic expression in order to prepare for the SAT. Follow this tutorial for practice putting an expression in simplest form. [2:39]

Watch this tutorial to learn how identifying a triangle first can be helping in solving for a missing angle measurement. [4:29]

Take a look at this tutorial to see how to find all the missing angle measurements by identifying vertical, corresponding, adjacent, and alternate exterior angles. [4:43]

If you know the length of the base and the height of a triangle, it's easy to find the area. This tutorial illustrates how to plug the numbers into the formula for the area of a triangle and solve. [3:44]

To make comparing numbers easier, convert all the numbers to decimals. Then, plot those decimals on a number line and compare them. This tutorial shows you how to order numbers. [6:09]