A circle with circumference 20 has an arc with a 72 degrees central angle. what's the length of the arc

Question

asked Apr 21, 2021 15.6k views

1 Answer

Akhilendra · Answer 1 · 2021-04-27T06:28:44+0000

Answer:

4 units.

Explanation:

Let's use a ratio

72 : 360

8 : 40

1 : 5

The arc is
(1)/(5) of the total circumference.

(1)/(5) *20=4

The arc length is 4