michellemireles12 michellemireles12

21-01-2021
Mathematics

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Find the perimeter of the square if the length of its diagonal is 12.72 inches. Round to the nearest tenth

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mathstudent55 mathstudent55

21-01-2021

Answer:

36 in.

Step-by-step explanation:

side = x

x^2 + x^2 = 12.72^2

2x^2 = 161.79

x^2 = 80.899

x = 9

perimeter = 4x = 4 * 9 = 36

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