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Asked by Lori

Show a complete solution to each problem.

Find the exact length of the side of a square whose diagonal is 3 feet.

I am having problems understanding how you figure out this problem. Can someone help me? Thanks.
15 years ago

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Answered by drwls
Draw a square. Draw a diagonal. Let each side length be x.

The Pythagorean theorem tells you that x^2 + x^2 = 2x^2 = 3^2 = 9
Solve for x.
15 years ago

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