Area of a Circle and a Sector — Unit test 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 radians22
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The area of circle Z is 64 ft2.
A
r = 4 ftB
r = 8 ftC
r = 16 ftD
r = 32 ft23
Circle L is shown. Line segments K L and M L are radii. The length of K L is 9. Angle M L K is 120 degrees. Sector M L K with a 120 degree angle is shaded.
A
9
B
27C
81D
16224
In circle N, KL ≅ ML.
A
66°B
74°C
77°D
80°Did you find these answers helpful?
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