In fig 6.48, angle ACB = 90° and CD is perpendicular to AB. Prove that BC^2/AC^2 = BD/AD. angle ACB = 90° and CD is perpendicular to AB. Prove that BC^2/AC^2 = BD/AD. In fig 6.48 October 5, 2020 Category: Chapter 6 - Triangles , Maths , NCERT Class 10 ,