Question

PQR is a triangle, whose area is 180 cm2. S is a point on side QR, such that PS is the angle bisector of ∠QPR. If PQ : PR = 2 : 3, then what is the area (in cm2) triangle PSR?

A) 90 B) 108 C) 144 D) 72

Answer 1

PSR = 1/2 of PQR

= 1/2 × 180

= 90 cm^2