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28-02-2017
Mathematics

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find the length of side A. show or explain ALL work. (use sqrt to show square root).

find the length of side A show or explain ALL work use sqrt to show square root class=

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28-02-2017

Hard to read but I think that's a 12 and a 9, right?

a^2 + b^2 = C^2

12^2 - 9^2 = A^2

225 - 81 = 144

A=12

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