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.r = 18 feet, A = 84 square feet, ? = ?
A. 1,560,152.87°
B. 29.72°
C. 780,076.43°
D. 14.86°
Answer: B
Mathematics
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Mathematics
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