An object is 6m away from the base of a mast. The angle of depression...
MATHEMATICS
WAEC 2013
An object is 6m away from the base of a mast. The angle of depression of the object from the top pf the mast is 50°, Find, correct to 2 decimal places, the height of the mast
- A. 8.60m
- B. 7.51m
- C. 7.15m
- D. 1.19m
Correct Answer: C. 7.15m
Explanation
Tan 50o = \(\frac{h}{6}\)
h = 6 tan 50
= 6 x 1.1917
= 7.1505
= 7.15
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