Solve. Use the fact that the radius of the Earth is 3960 miles and 1 mile = 5280 feet.A guard tower at a state prison stands 117 feet tall. How far can a guard see from the top of the tower? Round to the nearest tenth of a mile.
A. 969.7 mi
B. 13.2 mi
C. 5600.3 mi
D. 18.7 mi
Answer: B
Mathematics
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