Question

A circle has a circumference of 12. It has an arc of length 8/5. What is the central angle of the arc in degrees?

Answer 1

The angle at the center is 48°

Explanation:

Circumference=12

Length of arc=8/5

length of arc=¤/360 x circumference

8/5=¤/360 x 12

1.6=¤/30

Cross product

¤=1.6 x 30

¤=48