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16 September, 18:31

Is 9,12,15 a right triangle?

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Answers (2)
  1. 16 September, 20:05
    0
    Yes.

    Step-by-step explanation:

    Use the Pythagorean thereom to check. 9^2+12^2=15^2

    225=225

    So yes.
  2. 16 September, 22:28
    0
    Yes, is a right triangle

    Step-by-step explanation:

    To know if you can build a right triangle with those sides we have to make the following equality

    h² = l1² + l2²

    The hypotenuse is always the longest side so it should be 15

    we check the equality of the equation

    15² = 9² + 12²

    225 = 81 + 144

    225 = 225

    Equality was fulfilled so it is a right triangle
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