Virtual Nerd: What Are Vertical Angles?

What makes vertical angles so special? Here's a few words that might help you figure out why: intersecting lines, congruent angles, opposite, supplementary angles. Still wondering? Then watch this video for a good explanation of vertical...

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]

All vertical lines have the same slope. Watch this tutorial to learn all about vertical lines including their slope and what the equation of a vertical line looks like. [4:30]

Perpendicular lines intersect to form right angles - four of them to be exact. Vertical angles, congruent angles, 90 degrees each, these are some of the special properties of perpendicular lines. Watch this video to find out a couple...

Take a look at this tutorial and learn about some of the different kinds of triangles. [4:25]

The angles formed by perpendicular lines will always be the same. Take a look at this tutorial to learn about perpendicular lines and see a special trick involving them. [5:22]

Take a look at this tutorial to learn about how an angle is formed, how to name an angle, and how an angle is measured. [4:45]

Using the vertical line test, you can figure out if a graph is a function or not. Watch this tutorial to learn about the test. [3:30]