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18 October, 04:22

What is the missing side length in this right triangle? A. 15 B. 21 C. 225 D. 441

9,12?

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  1. 18 October, 07:46
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    A. 15.

    Step-by-step explanation:

    9^2 + 12^2

    = 81 + 144

    = 225.

    Taking the square root: we get 15.
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