In a right angled triangle two sides are 9 cm and 12 cm

| In a right angled triangle, two sides are 9 cm and 12 cm. Then, the hypotenuse will be:

A. 14 cm

B. 10 cm

C. 15 cm

D. 13 cm

Please scroll down to see the correct answer and solution guide.

Right Answer is: C

SOLUTION

Consider a right-angled triangle ABC.

By Pythagoras' theorem,
$A C^{2} = A B^{2} + B C^{2} A C^{2} = 12^{2} + 9^{2} A C^{2} = 225 A C = \sqrt{225} = 15 cm$
Hence, the hypotenuse is 15 cm.

In a right angled triangle two sides are 9 cm and 12 cm

Right Answer is: C

SOLUTION

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