Question

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In an isosceles triangle PQR, PQ = QR and PR^2 = 2PQ^2. Then angle
Q is (a) 30° (b) 60° (c) 90° (d) None of these​​

Answer 1

Answer:

by converse of Pythagoras theorem, Q is 90 degree

Answer 2

Q IS 90°

OPTION C)90°

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