# The perimeter of the rectangle is 30 cm, find the area of the rectangle if the length of one of the sides is 6 cm.

July 29, 2021 | education

| The perimeter of a rectangle is equal to the sum of all its sides or the sum of the length and width times two. The area of a rectangle is equal to the product of the length and width of the rectangle. To answer the question of the problem, you need to know the length of the other side.

1. Let’s calculate what is the length of the other side of the rectangle.

(30 – 6 * 2) / 2 = 9 centimeters.

Let’s answer the question of the problem.

2. Find what the area of the rectangle is.

6 * 9 = 54 square centimeters.

Answer: The area of a rectangle is 54 square centimeters.

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