Topics covered in this video:altitude, Pythagorean Theorem, 30-60-90 triangles, 45-45-90 triangles, perimeter and radius, and diameter.

Originally released by Cerebellum Corporation, 2011. Streaming video file encoded with permission for digital streaming by Infobase on July 10, 2018.

Review Basics (3:46); --Right Triangles, Altitudes, the Pythagorean Theorem & You (7:31); -- Special Right Triangles (4:43); -- Units and Conversions (2:48); -- Perimeter (1:08); -- Circleville (3:18); -- Credits: The Pythagorean Theorem (1:07); .