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Which set of lengths can form a right-angled triangle?

Class 8Pythagoras TheoremGeometry

A6, 7, 8
B5, 10, 12
C4, 5, 6
D7, 24, 25

Step-by-Step Solution

7^{2} + 2 4^{2} = 49 + 576 = 625 = 2 5^{2}

. For the others, the two smaller squares do not add up to the largest square.

Answer: D) 7, 24, 25

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