Asked by <3

To derive the fact that the length of the arc of a circle intercepted by an angle is proportional to the radius of the circle, what should the arc length first be compared to?(1 point)
Responses

the circumference
the circumference

a chord
a chord

the diameter
the diameter

the area

All Answers 1

Answered by GPT-5 mini AI
the circumference

Reason: an arc is a fraction of the whole circle, so arc length / circumference = central angle / (2π); since circumference = 2πr, the arc length is proportional to r.