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प्रश्न
In the given figure, angle BAC = 90°, AC = 400 m, and AB = 300 m. Find the length of BC.
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उत्तर
AC = 400 m
AB = 300 m
BC =?
According to Pythagoras Theorem,
BC2 = AB2 + AC2
BC2 = (300)2 + (400)2
BC2 = 90000 + 160000
BC2 = 250000
BC =`sqrt250000` = 500 m
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