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JAMB Mathematics 2019 Paper
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© africaexams.com
Question : 2
Total: 73
The angle of elevation of the top of a tree from a point on the ground 60m away from the foot of the tree is 78°. Find the height of the tree correct to the nearest whole number.
148m
382m
282m
248m
Validate
Solution:
\
t
a
n
78
=
h
60
h
=
60
\
t
a
n
78
h
=
60
×
4.705
=
282.27
m
≈
e
q
282m to the nearest whole number.
© africaexams.com
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