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The length of the diagonal of a square whose side lengths are 7 square root 2 (9.89949494) is: 14 units.

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Q: What is the length of the diagonal of a square whose side lengths are 7 square root 2?
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What is the length of the diagonal of a square whose area is 64 cm2?

The square's diagonal is 11.314 cm


What is the length of the diagonal of a square whose side lengths are 7 square root of 2?

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Using Pythagoras, the length of the side can be calculated: Since it is a square, the two shorter lengths are the same, so: 2 x side2 = diagonal2 => side = sqrt(diagonal2 / 2) And once the side is known, the area can be calculated: area = side2 = diagonal2 / 2


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