The sum of the lengths of the three sides of the square is 15 cm. Calculate the perimeter of this square.
| December 10, 2020 | education
The sides of the square are equal, which means 15 cm is the sum of three sides that are equal. 15/3 = 5cm – one side
perimeter is the sum of the lengths of all sides
the square has 4 sides, which means 5 + 5 + 5 + 5 = 20cm
Answer: 20cm
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