Find the area of a rectangle whose perimeter is 30 cm and the width is 50% of the length.

univerkov | December 1, 2020 | education

Let the width of the rectangle be x cm, then the length of the rectangle is 2x cm.
We get the equation:
2 * (x + 2x) = 30
3x = 15
x = 5
So the width of the rectangle is 5 cm.
5 * 2 = 10 – the length of the rectangle
S = 10 * 5 = 50 cm ^ 2
Answer: 50 cm ^ 2.

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