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.
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.
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