Find the perimeter of the rectangle if its area is 38 cm², the length of one side is 2 cm.
| August 4, 2021 | education
The area of a rectangle is equal to the product of its length and width. Let’s calculate what the length of the rectangle is, knowing that the area is 38 cm² and the width is 2 cm.
a = 38/2 = 19 cm.
The perimeter of a rectangle is twice the sum of its length and width. Let’s calculate what the perimeter of a rectangle with a length of 19 cm and a width of 2 cm is equal to.
P = 2 * (19 + 2) = 2 * 21 = 42 cm.
Answer: 42 cm.
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