From 11:00PM PDT on Friday, July 1 until 5:00AM PDT on Saturday, July 2, the Shmoop engineering elves will be making tweaks and improvements to the site. That means Shmoop will be unavailable for use during that time. Thanks for your patience!
We have changed our privacy policy. In addition, we use cookies on our website for various purposes. By continuing on our website, you consent to our use of cookies. You can learn about our practices by reading our privacy policy.
© 2016 Shmoop University, Inc. All rights reserved.
Parallel and Perpendicular Lines

Parallel and Perpendicular Lines

Perpendicular Lines Exercises

Example 1

Is line p perpendicular to line r?

Example 2

Is line q perpendicular to line r?

Example 3

Which of these lines are parallel and which are perpendicular?


Example 4

What is the measure of ∠RZQ?

Example 5

If the measure of ∠UYZ is 19°, what is the measure of ∠WYP?


Example 6

Which lines are parallel? Which lines are perpendicular?

Example 7

The equation of line a is y = -⅕x – 1. If line b is perpendicular to line a and intersects line a when x = 5, what is the equation of b?