Question

A circle has a radius of 5 ft, and an arc of length 7 ft is made by the intersection of the circle with a central angle.

Which equation gives the measure of the central angle, a?
o
Om7+5
O 0.75

Answer 1

1.4 radians

Step-by-step explanation:

7 = a/360 * 2(pi)(5)

a is approximately 80.21 degrees.

80.21(pi)/180 is approximately 1.4 radians