Radian Measure Answers
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1
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Which expression converts 8 radians to degrees?
A
8 times pi
B
8 times StartFraction pi Over 180 degrees EndFraction
C
8 times 180 degrees
D
8 times StartFraction 180 degrees Over pi EndFraction
2
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What is 720° converted to radians?
A
One-fourth
B
StartFraction Pi Over 4 EndFraction
C
StartFraction 4 Over pi EndFraction
D
4 pi
3
What is the approximate length of arc s on the circle below? Use 3.14 for . Round your answer to the nearest tenth.
A
5.6 in.B
6.3 in.C
14.3 in.D
25.1 in.4
A circle has a central angle measuring radians that intersects an arc of length 45 in. What is the length of the radius of the circle? Round your answer to the nearest tenth. Use 3.14 for .
A
2.4 in.B
19.1 in.C
105.6 in.D
135.0 in.5
A circle has a central angle of 6 radians that intersects an arc of length 14 in. Which equation finds the length of the radius, r, of the circle?
A
r = Six-fourteenths
B
r = Fourteen-sixths
C
r = 6 + 14
D
r = 6 times 14
6
A circle has a radius of 5 ft, and an arc of length 7 ft is made by the intersection of the circle with a central angle. Which equation gives the measure of the central angle, q?
A
Theta= five-sevenths
B
Theta = Seven-fifths
C
Theta = 7 + 5
D
Theta = 7 times 5
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