If A denotes the area of the sector of a circle of radius r formed by the central angle ?, find the missing quantity. If necessary, round the answer to two decimal places.? = 5 radians, A = 84 square meters, r = ?
A. 840 m
B. 14.49 m
C. 5.8 m
D. 210 m
Answer: C
Mathematics
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Mathematics
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Fill in the blank(s) with the appropriate word(s).
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A. 
B. 
C. 
D. 
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Mathematics