2007
Mathematics
67ca00ce0c643c71d77dee1f
A man 40 m from the foot of a tower observes the angle of elevation of the tower to be 30°. Determine the height of the tower.
A.
(40√3)/3 m
B.
20 m
C.
40√3 m
D.
40 m
Correct Answer: (40√3)/3 m
Explanation
Tan30=h/40 1/√3=h/40 h√3=40h=40/√3 h=40/√3×√3/√3 h=(40√3)/3
Tan30=h/40 1/√3=h/40 h√3=40h=40/√3 h=40/√3×√3/√3 h=(40√3)/3THIS WEEK's
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