root 57 in radical form is √57 since 57 = 3 x 19 and there are no square factors.
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The perimeter of a square is calculated by multiplying the length of one side by 4 since all sides of a square are equal in length. Therefore, the perimeter of a square with a length of 57 meters would be 57 meters x 4 = 228 meters.
If the area of a square is 49 square centimeters, the length of each of its sides are: 7 cm.
Concerning right triangles: "A" squared, plus "B" squared, equals "C" squared. Just square your "known measurements", and add them together. Then find the square root of the sum you've found.
Using 3.14 as Pi the area of circle is: 10201.86
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