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Solve the Problem 1515 ^ { \circ } And 2323 ^ { \circ }

Question 127

Multiple Choice

Solve the problem.
-An airplane is sighted at the same time by two ground observers who are 3 miles apart and both directly west of the airplane. They report the angles of elevation as 1515 ^ { \circ } and 2323 ^ { \circ } . How high is the airplane? Round to the nearest hundredth of a mile.


A) 3.29mi3.29 \mathrm { mi }
B) 1.17mi1.17 \mathrm { mi }
C) 0.78mi0.78 \mathrm { mi }
D) 2.18mi2.18 \mathrm { mi }

Correct Answer:

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