The length of the rectangle is 21cm. What is its width if the perimeter is 62cm.
| December 12, 2020 | education
The perimeter is equal to the sum of all its sides, that is, = length + length + width + width
Then subtract from 62 21 * 2
62 – 21 * 2 = 62 – 42 = 20
20 – two widths, then the width is 20: 2 = 10
Answer: 10 cm
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