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प्रश्न
In ΔABC, if AB = 24 cm, BC = 10 cm and AC = 26 cm, then ∠B = ______.
रिक्त स्थान भरें
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उत्तर
In ΔABC, if AB = 24 cm, BC = 10 cm and AC = 26 cm, then ∠B = 90°.
Explanation:
AC2 = 262 = 676
And AB2 + BC2 = 242 + 102
= 576 + 100
= 676
So AB2 + BC2 = AC2 and the triangle is right-angled at B.
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