The ratio of the area of the rectangle is 36: 49 and the ratio of the perimeter of the rectangle is 6: 7.
The area of the rectangle is the product of the length and width of a given rectangle.
The area of the rectangle = length × Width
The perimeter of a rectangle is defined as the sum of all the four sides of the rectangle.
The perimeter of a rectangle = 2( l + b)
The widths of two similar rectangles are 21 ft and 18 ft.
The ratio of the area of the rectangle
18: 21
6: 7
36: 49
The ratio of the perimeter of the rectangle
2( l + b) = 2( l + 18): 2( l + 21)
18: 21
6: 7
Learn more about the area;
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