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The area of a square garden is 200 m². How long is the diagonal?
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wow that was wrong
side is \[\sqrt{200}\] so diagonal is \[\sqrt{200}\times \sqrt{2}=\sqrt{400}=20\]
If you know the area of a square, you know that the square root of the area is the length of one side. The diagonal is just the hypotenuse of a right triangle, right? So you can now just apply the pythagorean theorem!
Diagonal of square = sqrt2 * side
20
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