Question

ANSWER NOW please!!!!!!!

What is the measure in radians for the central angle of a circle whose radius is 9 cm and intercepted arc length is 7.2 cm? Enter your answer as a decimal in the box.


*Don't put down any answer just for points


For anyone who needs the answer, it's 0.8.

Answer 1

0.8 radian

Explanation:

Arc length formula: s = r(theta). This can be solved for the central angle, theta: theta = s / r. Subbing 7.2 cm for the arc length (s) and 9 cm for the radius, we get theta = s / r = (7.2 cm) / (9 cm) = 0.8 radian