What is the central angle of a sector with an arc length of 15 cm in a circle of radius 5 cm?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. 3 radians.
Arc length = 15 cm and Radius = 5 cm
Central angle (radians) = Arc length/Radius = 15/5 = 3 radians