Find the perimeter of a rectangle that is 18 cm long and half its width.
| December 16, 2020 | education
The perimeter is the sum of the lengths of all sides. Length = 18 cm.Let’s find what the width is, for this we divide 18 cm by 2: 18: 2 = 9 cm.
The perimeter is: 18 + 18 + 9 + 9 = 54 cm
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