Q. 145.0( 5 Votes )

Write the correct answer from the given four options.

The hypotenuse of a right triangle with its legs of lengths 3x × 4x is
A. 5x

B. 7x

C. 16x

D. 25x

Answer :

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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