Question

PQR is a triangle in which PR²=PQ²+QR² Show that Angle PQR =90⁰
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Answer 1

verify Pythagoras theorem by taking PR as hypotenuse PQ and QR as base and perpendicular

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Answer 2

Answer:

By Converse of Pythagoras theorem we can show Angle PQR =90, if PR²= PQ²+QR²

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