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A rectangle is four times the width and 120 meters in circumference. How many square meters is the area of this rectangle?
A: the area of this rectangle is 576 square meters
The perimeter of a rectangle is 24 decimeters, the ratio of length to width is 7 to 5, and the area of the rectangle is () square decimeters
35
The perimeter of a rectangle is 36 meters, and the ratio of length to width is 7 to 5. The area of this rectangle is
Let the length be 7x, then the width be 5x. 2 (7x + 5x) = 36, x = 1.5. Then the area is 78.5
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