2012
Mathematics
JAMB
A man stands on a tree 150 cm high and sees a boat at an angle of depression of 74°. Find the distance of the boat from the base of the tree.
A.
52 cm
B.
43 cm
C.
40 cm
D.
15 cm
Correct Answer: 43 cm
Explanation
AB∧D = BD∧C = 74° DC=150/tan74° =150/3.4874 DC≈43cm
AB∧D = BD∧C = 74° DC=150/tan74° =150/3.4874 DC≈43cmTHIS WEEK's
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