The sum of the lengths of two different sides of the rectangle is 7 cm, find the perimeter of this rectangle.

univerkov | April 22, 2021 | education

Let’s take the length of the rectangle as a, and its width as b.
The perimeter of a rectangle is calculated using the following formula:
P = 2 * (a + b).
It follows from the condition of the problem that:
a + b = 7.
Hence:
P rectangle = 2 * 7 = 14 cm.
Answer: The perimeter of the rectangle is 14 cm.

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