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प्रश्न
In quadrilateral PQRS, ∠Q = 90° = ∠S, SP = 15 cm, PQ = 7 cm, QR = 24 cm.
The length of PR is ______.
पर्याय
28 cm
26 cm
25 cm
30 cm
MCQ
रिकाम्या जागा भरा
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उत्तर
The length of PR is 25 cm.
Explanation:
By Pythagoras theorem,
PR2 = PQ2 + QR2
= 72 + 242
= 49 + 576
= 625
PR = `sqrt(625)`
= 25 cm
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