The width of the rectangle is 15 cm, and its perimeter is 66 cm. Find its area.

univerkov | June 22, 2021 | education

Let’s use the perimeter formula and find the length of the rectangle:
P = 2 * (a + b), → a = P / 2 – b = 66/2 – 15 = 18 (cm).
We can find the area of a rectangle:
S = a * b = 18 * 15 = 270 (cm²).
Answer: the area is 270 cm².

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