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PQR is a triangle right angled at P. If PQ=13cm and PR=5cm,findQR |
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Answer» Answer: Step-by-step explanation: Angle PQ and PR form a RIGHT angle So the side opposite to the right angle is the hypotenuse or QR Therefore PQ² + PR² = QR² [Pythagoras Theorem A² + B² = C²] Where C is the hypotenuse or longest side of a triangle So we have => 13² + 5² = QR² => 169 + 25 = QR² => 194 = QR² => QR = √194 Mark as brainliest if it helps Have a great day ;) |
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