Hello Madhav
Humein 3 points given hai, humney unhe P, Q, R ley liya
Ab humein triangle PQR ko isoceles prove karna hai, yaani 2 sides equal prove karni hai
Toh hum PQ, PR aur QR nikaltey hai
Ab kyunki PQ = QR hai, toh PQR isoceles hoga
Written on Aug. 23, 2017, 10:08 p.m.