Remembering the triangle rules is a matter of remembering the ratio of 1 √3 2, and knowing that the shortest side length is always opposite the shortest angle (30°) and the longest side length is always opposite the largest angle (90°)Using what we know about triangles to solve what at first seems to be a challenging problem Created by Sal Khan Special right triangles Special right triangles proof (part 1) Special right triangles proof (part 2) Practice Special right triangles triangle example problem This is the currently selected itemWhat are the special rules for Triangle?
30 60 90 Triangle Theorem Ratio Formula Video
