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24-02-2021
Mathematics

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the triangle shown be a right triangle if X=_____IN. A 8 B12 C16 D144

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abassconteh1999 abassconteh1999

24-02-2021

a^2 + b^2 = c^2
5^2 + b^2 = 13^2
25 + b^2 = 169
b^2 = 144
b = 12

The square root of 144 is 12, so your answer is B) 12

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