Draw out the perimeter of a twenty, each side of which is 3 cm 5 mm long. Express the result in centimeters.
| September 17, 2021 | education
1.Convert the length of one side to centimeters:
3 cm + 5 mm = 3 cm + 0.5 cm = 3.5 cm.
2. By definition, all sides of a twenty are equal, which means that in order to calculate its perimeter, it is enough to multiply the length of one side by twenty sides:
3.5 cm * 20 = 70 cm.
Answer: The perimeter of the twenty is 70 cm.
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