The length of the rectangle is 3 times its width. What is the perimeter of a rectangle if its width is 9cm? 2dm?
| September 4, 2021 | education
The perimeter of a rectangle is the sum of the length and width of the rectangle multiplied by two.
1). What is the length of the rectangle?
9 * 3 = 27 centimeters.
2). Let’s calculate the length of the rectangle.
2 * 3 = 6 decimeters.
3). What is the perimeter of the rectangle?
(9 + 27) * 2 = 36 * 2 = 72 centimeters.
4). Let’s calculate the perimeter of the rectangle.
(2 + 6) * 2 = 8 * 2 = 16 decimeters.
Answer: The perimeter of the rectangle is 72 centimeters. The perimeter of the rectangle is 16 decimetres.
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