Virtual Nerd: How Do You Use Complementary Angles to Find a Missing Angle?

In this tutorial, you'll see how to use your knowledge of supplementary angles to set up an equation and solve for a missing angle measurement. [3:41]

Are complementary angles nice to each other? That's not what complementary means in math. Complementary angles are two angles that add up to 90 degrees and form a right triangle. So if given one value in a problem about complementary...

Video tutorial shows how to use a percent equation to find a percent of a number. [5:09]

How can a straight line be called a straight angle? Can angles be combined to form a straight angle? Yes, supplementary angles can be combined to make a straight angle and that is how one can find the value of a missing angle. Take a...

This tutorial shows how to use a percent proportion to take a percent of a number. [4:13]

Watch this tutorial to discover how to use a sample to make a prediction about a population. [5:16]

Tutorial shows how to use a percent proportion to take a percent of a number. [2:13]

View this tutorial to learn how to take a percent of a number. [1:20]

To take a percent of a number convert the percent to a decimal and multiply it by the number. Take a look at this tutorial to learn how. [1:20]

Follow along with this tutorial to see how to use compatible numbers to estimate the percent of a number. [2:27]