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 = 12 inches, ? = 30°, A = ?
A. 37.68 in2
B. 6.28 in2
C. 75.36 in2
D. 3.14 in2
Answer: A
Mathematics
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