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25-01-2018
Mathematics

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Find the third side of a right triangle if the hypotenuse is 14 km and one side is 9 km

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25-01-2018

14^2 - 9^2 = a^2
Easy enough
14^2 = 196
9^2 = 81
196 - 81 = 115
The square root of 115 = 10.72

The third side is 10.72km

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