The area of the rectangle is S, its base is a. Write an expression to calculate the perimeter of a rectangle.
| March 13, 2021 | education
1. Let the height of the rectangle be b.
2. The area of the rectangle is equal to the product of its height and the base, which, according to the condition of this problem, is equal to S, that is, a * b = S.
3. So b = S: a = S / a.
4. The perimeter of a rectangle is equal to the sum of the lengths of all its sides, which means that the perimeter is a + a + S / a + S / a = 2a + 2S / a.
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