Question

If area of a circle is πr², what is the perimeter of the circle?​

Please do it step by step

Answer 1

Answer: The answer is 2πr

Explanation:

1. We often call the length of boundary of any figure as perimeter.
2. But in case of circle we call it as CIRCUMFERENCE of circle instead of perimeter of circle.
3. So the circumference of circle is: 2πr.