The sides of the rectangle are 9 cm and 6 cm. Calculate the sum of the lengths of the sides of this rectangle.
| January 3, 2021 | education
The perimeter of any shape is equal to the sum of the lengths of all its sides. Since the opposite sides of a rectangle are equal, its perimeter is equal to twice the sum of its length and width. We calculate what the perimeter of a rectangle with sides of 9 cm and 6 cm is equal to.
P = 2 * (9 + 6) = 2 * 15 = 30 cm.
Answer: 30 cm.
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