In a triangle PQR, S is a point on the side QR such that PS⊥QR, then which of the following options is true?

A.

PS2 + PR2 = PQ2 + QR2

B.

PR2 + QS2 = PQ2 + SR2

C.

PQ2 + PR2 = QS2 + SR2

D.

PS2 + QS2 = PQ2 + PR2

Solution:

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