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08-02-2019
Mathematics

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08-02-2019

Z = √(10^2 + 8^2 - 2 *10 * 8 * cos(z)

z = arccos(1/8

A = 82.8

Answer is D.

In any right triangle with a 45 degree angle. The hypotenuse is the length of the side times √2

The answer is 8√2

Answer Link

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