Question

solve this problem please

Answer 1

Given: ∆PQR is a right angled issosles traingle and angle Q= 90°

To prove: PR²= 2PQ²

Proof: in a right angle triangle: (Hypotenuse)²= (Base)² + (Perpendicular)²

PR² = PQ² + QR²

PR²= PQ² + PQ² (Since QR = PQ)

PR² = 2PQ². H.P.