The width of the rectangle is 4 dm., And the length is 7 cm. More. Find the perimeter of the rectangle.

univerkov | May 9, 2021 | education

First, let’s translate decimeters into centimeters: 1 dm = 10 cm, then 4 dm = 10 cm * 4 = 40 cm.

Find the length of the rectangle by adding 7 to the width:

40 + 7 = 47 (cm).

We calculate the perimeter of the rectangle using the formula:

P = 2 * (a + b), where a – width, b – length.

P = 2 * (40 + 47) = 2 * 87 = 174 (cm).

Answer: the perimeter of the rectangle is 174 cm or 17 dm 4 cm.

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