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14 August, 06:04

The lengths of the legs of a right triangle are 9 cm and 40 cm.

What is the length of the hypotenuse?

A. 39 cm

B. 41 cm

C. 49 cm

D. 65 cm

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Answers (2)
  1. 14 August, 07:08
    0
    B

    Step-by-step explanation:

    Use pythagorean theorem a² + b² = c², where a and b are legs, and c is hypotenuse.

    9² + 40² = c²

    √ (9² + 40²) = c

    √ (81 + 1600) = c

    √1681 = c

    41 = c

    So length of hypotenuse is 41 cm.
  2. 14 August, 09:44
    0
    the answer is D. 65 cm
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