Question

Find the measure of the central angle of an arc
with length 5n units and radius of 4.5 units.

Answer 1

Theta = 10n/9 radians.

Explanation:

The length is 5n units

Radius is 4.5 units

center angle is, S = r * theta

5n = 4.5 * theta

Theta = 5n/4.5

= 50n/45

= 10n/9