The perimeter of the rectangle is 40 cm. What should be the sides of the rectangle to have the largest area?
| January 9, 2021 | education
The square has the largest area among all rectangles with the same perimeters.
Thus, in order for the area of the rectangle to be the largest, the length and width of this rectangle must be equal.
Let’s calculate the side length of a square with a perimeter of 40 cm:
40/4 = 10 (cm).
Answer: in order for the area of the rectangle to be the largest, all its sides must be 10 cm long.
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