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Sides of a triangle are 7, 24 and 25. Determine whether the triangle is right-angled triangle or not
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By Pythagoras, if the sum of squares of two sides is equal to the square of the largest side then the triangle is said to be right-angled

Here given sides of the triangle are 7, 24 and 25

Largest side = 25

252 = 625  Sum of squares of remaining two sides 72 + 242 = 49 + 576 = 625

∴ 72 + 242 = 252 Therefore triangle having sides 7,24 and 25 is a right-angled triangle

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