https://www.khanacademy.org/math/8th-grade-illustrative-math/unit-8-pythagorean-theorem-and-irrational-numbers/x227a3420c609ee43:lesson-7-finding-side-lengths-of-triangles/e/finding-side-lengths-of-triangles 2026-06-30T22:00:53.050956356Z Find side lengths of triangles Explore how side lengths in right triangles are related using the Pythagorean Theorem. Use diagrams, equations, and square roots to identify relationships and find missing lengths. Kelly Rang exercise