# Write the correct answer from the given four options.The hypotenuse of a right triangle with its legs of lengths 3x × 4x isA. 5xB. 7xC. 16xD. 25x

Using Pythagoras triplets: (2m)2 + (m2 – 1)2 = (m2 + 1)2

2m = 4x

m = 2

m2 – 1 = (4-1)x = 3x

m2 + 1 = (4 + 1)x = 5x

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