If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

To log in and use all the features of Khan Academy, please enable JavaScript in your browser.

Main content

8th grade (Illustrative Mathematics)

Course: 8th grade (Illustrative Mathematics) > Unit 8

Lesson 8: Lesson 8: Finding unknown side lengths

© 2023 Khan AcademyTerms of use Privacy Policy Cookie Notice

Use Pythagorean theorem to find right triangle side lengths

CCSS.Math: 8.G.B.7

Google Classroom

Stuck?

Stuck?