How can the radian measure of an angle determine the arc length on the unit circle?

Question

asked Oct 8, 2020 225k views

1 Answer

Epi · Answer 1 · 2020-10-12T08:50:08+0000

Explanation:

Arc length is defined as:

s = rθ

where r is the radius and θ is the angle in radians

A unit circle has a radius of 1, so the arc length is equal to the radian measure of the angle.