The perimeter of the square is 20 cm. Find out the length of the side of this square.

univerkov | January 11, 2021 | education

All sides of a square are equal, so their sum (perimeter) is calculated by the formula:
P = 4a.
Provided that this value for such a figure is 20 cm, we express the length of each side.
To find the second factor, the product must be divided by the first:
a = P: 4 = 20: 4 = 5 cm – square measurement.

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