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Praxis Core
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Calculate Arc Length and Sector Area
Grade Level
Praxis Core
5165.197 Calculate Arc Length and Sector Area
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🟢 Easy
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An arc in a circle of radius 9 subtends pi radians. What is its exact length? Select the most accurate response using the relevant definition.
A
9·pi
B
81·pi
2
C
18·pi
D
pi/9
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