98.3k views
17 votes
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. Radians.

User Jungwoo
by
3.0k points

1 Answer

6 votes

Answer:

.8 radians

Step-by-step explanation:

arc length = radius * central angle (in radians)

central angle (in radians) = arc length / radius

central angle (in radians) = 7.2 / 9

=.8 radians

User Deltik
by
3.3k points