If the ratio of length to width of a rectangle is 5:4 and its area is 720 square centimeters, what is the perimeter of the rectangle?

If the ratio of length to width of a rectangle is 5:4 and its area is 720 square centimeters, what is the perimeter of the rectangle?

Let the length be 4x and the width be 5x
4x*5x=720
20x^2=720
x^2=36
X1 = 6, X2 = - 6 (rounding off)
The perimeter of this rectangle is (4x + 5x) * 2 = (4 * 6 + 5 * 6) * 2 = 108

If the ratio of length to width of a rectangle is 4:5 and its area is 720, what is the perimeter of the rectangle?

Let the length be 4x and the width be 5x
4x*5x=720
20x^2=720
x^2=36
X1 = 6, X2 = - 6 (rounding off)
The perimeter of this rectangle is (4x + 5x) * 2 = (4 * 6 + 5 * 6) * 2 = 108

If the ratio of length to width of a rectangle is 4:5 and their area is 720, what is the perimeter of the rectangle?

If the width is 4x, then the length is 5x. According to the meaning of the title, 4xx5x = 720 gets x = 6, so the circumference = 2x (4x6 + 5x6) = 108

A square is divided into three equal rectangles. The perimeter of each rectangle is 40 cm. What is the perimeter of the square?

40 / 2 = 20 (CM)
20 * 3 = 60 (CM)