Calculate the length of the unknown side of the rectangle if one side is 6cm and the perimeter of the rectangle is 60cm.

univerkov | August 1, 2021 | education

Perimeter (P) is:

P = 2 * (a + b), where a and b are the sides of the rectangle. From the formula it follows:

2b = 60 – 12 = 48 centimeters;

b = 24 centimeters;

Answer: 6 centimeters.

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