The perimeter of the Rectangle is 42 cm. The ratio of its length to width is 4: 3. Find the area of the rectangle.

univerkov | December 1, 2020 | education

Let xcm- fall on 1 part, then length = 4x, and width = 3x.
let’s make the equation 3x + 3x + 4x + 4x = 42
14x = 42
x = 3
1) 3 * 3 = 9 (cm) – width
2) 3 * 4 = 12 (cm) – length
3) 9 * 12 = 108 (cm ^ 2)
Answer: 108

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