Special Right Triangles Review Article Khan Academy
WebAngles 30° 60° 90° Ratio of sides 1√ 3 2 Side lengths a5c Then using the known ratios of the sides of this special type of triangle a = b √ 3 = 5 √ 3 c = b × 2 √ 3 = 10 √ 3 As can be seen from the above, knowing just one side of a 30°60°90° triangle enables you to determine the length of any of the other sides relatively easilyα = 3466° β = 5534° Now, let's check how finding the angles of a right triangle works Refresh the calculator Pick the option you need Assume that we have two sides, and we want to find all angles
