Question on: WAEC Mathematics - 1991
The angle of elevation of the top of a tree 39m
away from a point on the ground is 30o. Find the height of the tree
away from a point on the ground is 30o. Find the height of the tree
A
39√3m
B
13√3m
C
13/\(\sqrt{3}\)m
D
13/3\(\sqrt{3}\)m
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Correct Option: B
x/25 = tan 30o
x = 39 x 1/√3 = 13√3m
x = 39 x 1/√3 = 13√3m
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