Solve the problem.A surveyor is measuring the distance across a small lake. He has set up his transit on one side of the lake 80 feet from a piling that is directly across from a pier on the other side of the lake. From his transit, the angle between the piling and the pier is 30°. What is the distance between the piling and the pier to the nearest foot?
A. 139 feet
B. 69 feet
C. 46 feet
D. 40 feet
Answer: C
Mathematics
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