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14 June, 16:12

Find the length of the hypotenuse of a right triangle if a = 9 and b = 12.

A) 10.5

B) 15

C) 16.5

D) 21

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Answers (2)
  1. 14 June, 16:18
    0
    Let c be the hypotenuse

    so by pythagoras theorem

    a^2+b^2=c^2

    2^2+12^2=c^2

    4+144=c^2

    C^2=225

    C=15
  2. 14 June, 16:32
    0
    the length of the hypotenuse would be the square root of 1116 because of asquared + bsquared = cSqaured.
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