The perimeter of a square with side length 5 cm is which of the following?

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Multiple Choice

The perimeter of a square with side length 5 cm is which of the following?

Explanation:
A square’s perimeter is four times its side length because you travel around all four sides of equal length. With a side length of 5 cm, the perimeter is 4 × 5 cm = 20 cm. The other values don’t fit the perimeter: 25 cm would be the area of a 5 cm square (5 × 5 = 25), not the distance around. 15 cm would come from adding three sides, which isn’t a square’s perimeter, and 10 cm would come from just two sides. So 20 cm is the correct perimeter.

A square’s perimeter is four times its side length because you travel around all four sides of equal length. With a side length of 5 cm, the perimeter is 4 × 5 cm = 20 cm. The other values don’t fit the perimeter: 25 cm would be the area of a 5 cm square (5 × 5 = 25), not the distance around. 15 cm would come from adding three sides, which isn’t a square’s perimeter, and 10 cm would come from just two sides. So 20 cm is the correct perimeter.

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