How do u find the circumference of a circle without the diameter or radius just then arc length?

Question

asked Jan 25, 2021 42.2k views

1 Answer

Peter Westlake · Answer 1 · 2021-01-29T13:32:28+0000

In order to find the circumference you will use the arc length to find radius.

Use the equation

arc length L = r*Θ , where Θ is in radians.

Re-arrange the equation to get r = L / Θ

Finally use radius to solve for circumference using

C = 2 π r