Circumference and Arc Length Answers
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An arc on a circle measures 125°. The measure of the central angle, in radians, is within which range?
A
0 to radians
B
to π radiansC
π to radians
D
to 2π radians2
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In circle M, diameters JL and HK each measure 16 centimeters.
A
3.5 cmB
6.9 cmC
21.6 cmD
46.8 cm3
In each circle below, a 50° angle with a vertex at the center of the circle is drawn. How are minor arc lengths CD and EF related?
A
They are the same because the central angle measure is the same.B
The arc lengths are proportional: .
C
The arc lengths are proportional: .
D
The arc lengths are proportional: .
4
Consider circle T with radius 24 in. and θ = radians.
A
20π in.B
28π in.C
40π in.D
63π in.5
In circle O, the length of radius OL is 6 cm and the length of arc LM is 6.3 cm. The measure of angle MON is 75°.
A
7.9 cmB
10.2 cmC
12.6 cmD
14.2 cmDid you find these answers helpful?
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