Arc CD is One-fourth of the circumference of a circle. What is the radian measure of the central angle?

Question

asked Jan 6, 2021 177k views

2 Answers

Somendra Joshi · Answer 1 · 2021-01-12T20:29:28+0000

Answer:

π/2

Explanation:

There are 2π radians in a circle, so 1/4 of that is (2π)/4 = π/2 radians.

The central angle of a quarter-circle is π/2 radians.