Question

The sum of the length of the sides of a closed figure is called its perimeter ​

Answer 1

Step-by-step explanation:

Perimeter is the total length of the boundary of a closed figure. We know that the total length of the boundary of a plane closed figure is called its perimeter. ... The perimeter of a circle is the measure of its circumference. The perimeter of the circle of center O is its circumference.

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Answer 2

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Perimeter is the total length of the boundary of a closed figure. We know that the total length of the boundary of a plane closed figure is called its perimeter. We can find the perimeter of a closed figure drawn on a square sheet by adding the length of unit squares along each side of the figure!

@MissTranquillity