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anonymous

  • 5 years ago

The area of a square is 625 cm^2. What is the measure of the diagonal to the nearest tenth?

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  1. anonymous
    • 5 years ago
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    if the area of a square is 625 cm2, what is its side?

  2. anonymous
    • 5 years ago
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    It doesn't say

  3. anonymous
    • 5 years ago
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    The Sides, since its a square, are all the same. Thus The length, a, and the width,b, are equal to each other a=b. Then you utilize the Pythagorean Theorem, \[a^{2}+b ^{2}=c ^{2}\] Where a and b are the sides and c is the hypotenuse. Sides are, \[625cm^2 = a^2, a=\sqrt{625}cm\] \[\sqrt{625}^2 + \sqrt{625}^2 = c^2 \] C = 35.36

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