2 years ago

Someone pls help meee

Mathematics

2 answers:

mafiozo [28]2 years ago

6 0

Its 6.8 for me so try that

Dafna11 [192]2 years ago

4 0

6.8 is the answer I think

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Let the unknown side be "z" inches
Through pythagoras:
${12}^{2} + {z}^{2} = {20}^{2}$
Because the square of the two sides add up to the square of the hypotenuse in a right triangle.

This means that
${z }^{2} = {20}^{2} - {12}^{2}$
${z}^{2} = 400 - 144 = 256$
$z = \sqrt{256} = 16$
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