richardcheranfa richardcheranfa
  • 22-02-2017
  • Mathematics
contestada

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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StudyingWizz
StudyingWizz StudyingWizz
  • 22-02-2017
the answer is 15 because hypotenuse equals a^2 + B^2 = √answer
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Riptide
Riptide Riptide
  • 22-02-2017
a^2 + b^2 = c^2


With this, we can tell that

9*9 + 12*12 = X^2


81 +144 = X^2

225 = X^2

(take the square root of 225)

15 = X

therefore, option B is your answer :)
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