The length of the rectangle is 20 cm, which is 2 times its width, the perimeter of the rectangle and its area were calculated.
| December 8, 2020 | education
If the length is twice as long, then the width is half. Then we divide 20 by 2, it turns out 10 – this is our width
Perimeter of the rectangle = (a + b) * 2 = (20 + 10) * 2 = 30 * 2 = 60 cm
Area = a * b = 20 * 10 = 200 cm2
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