Solve the problem, using 3.14 for ?. Round to nearest tenth unless instructed differently.Find the area of the circular racetrack.(Use 3.14 for ?. Round to the nearest foot.) r = 80 ft R = 105 ft

A. 7850 ft2
B. 14,523 ft2 
C. 34,619 ft2 
D. 20,096 ft2 


Answer: B

Mathematics

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A. 0.000002 B. 0.00002 C. 2,000,000 D. 200,000

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What will be an ideal response?

Mathematics