PQRS is a square with X and Y as the mid-points of sides PQ and PS respectively. The ratio of the areas of triangles YSR and XYR is : (A). 3/2 (B). 1/3 (C). 2/3 (D). None of these Use Pythagorastheorem to find base and height of the triangle YRX. Share with your friends Share 18 Anuradha Sharma answered this @- Ali Hasan- you are correct. We have to use mid point theorem, -23 View Full Answer Ali Hasan answered this I got it. We cannot use Pythagoras is the triangle -23