Question

If S is a point on side PQ of a ∆ PQR such that PS = QS = RS, then *

PR . QR = RS ²

QS ² + RS ² = PS ²

PR ² + QR ² = PQ ²

PS ² + RS ²= PQ​

Answer 1

Explanation:

d is right answer

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Answer 2

Answer:

a

Explanation:

the formula is geometric mean formula