Question

a circle has a circumference of 20. It has an arc length of 4, what is the central angle of the arc in degrees?

Answer 1

Answer:

Angle = 72°

Step-by-step explanation:

To find the length of an arc,

Angle/360 * circumference

Length = 4

Angle = ?

circumference = 20

Angle/360 * 20 = 4

Rearrange to find the Angle.

Angle/360 = 4 / 20 = 0.2

Angle = 360 * 0.2

Angle = 72°

Answer 2

Answer:

It’s correct

Step-by-step explanation:

Thanks