The length of the rectangle is 4 times its width, and its perimeter is 2 dm. What is the area of the rectangle.

univerkov | March 8, 2021 | education

Let’s take the width of the rectangle equal to x, then its length is 4 x.

P = (x + 4 x) 2 = 2;

5 x 2 = 2;

10 x = 2;

x = 2: 10;

x = 0.2 dm = 2 cm – width, x 4 = 2 4 = 8 cm – length.

Let’s calculate the value of the area:

S = 2 8 = 16 cm ^ 2.

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