Math Chapter Wise Arithmetic English MCQ TGT 2009 Q.∆ ∆PQR is an isosceles right angle triangle. Where ∠ ∠ ∠R = 90o then______ A(PQ)2 = 4(PR)2 B(PR)2 = 2(PQ)2 C(PQ)2 = 3(PR)2 D(PQ)2 = 2(PR)2 Show answer Correct answer: (PQ)2 = 2(PR)2