Engineering Board Exam Reviewer · Solutions to Right Triangles · easy
ME Board November 1994: A wire supporting a pole is fastened to it 20 feet from the ground and to the ground 15 feet from the pole. Determine the length of the wire and the angle it makes with the pole.
- 24 ft, 53.13°
- 24 ft, 36.87°
- 25 ft, 53.13°
- 25 ft, 36.87°
Answer
D. 25 ft, 36.87°
Solution
Length of wire =sqrt(202+152)=sqrt(625)=25 ft. Angle with the pole: = ≤ft(15/20 )=36.87°.
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