Africa Exams
Where Preparation Meets Success
Home
Botswana
Botswana PSLE Papers
Botswana JCE Papers
Botswana BGCSE Papers
Ghana
Ghana BECE Exams
Kenya
Kenya KCPE Papers
Kenya KCSE Papers
Kenya KASNEB Papers
Nigeria
WAEC Exams
JAMB Exams
Rwanda
Rwanda Primary Papers
Rwanda Secondary Papers
Uganda
Uganda PLE Papers
Uganda UCE Papers
Uganda UACE Papers
Certifications
Technical
Cloud Tech Certifications
Security Tech Certifications
Management
IT Infrastructure
More
About
Contact Us
Our Apps
Privacy
+
-
Test Index
WAEC Mathematics 2018 Paper
Show Para
Hide Para
Share question:
© africaexams.com
Question : 30
Total: 50
The angle of elevation of the top of a tree from a point 27m away and on the same horizontal ground as the foot of the tree is 30
o
. Find the height of the tree.
27m
13.5
√
3
m
13.5
√
2
m
9
√
3
m
Validate
Solution:
From the diagram,
tan 30
o
=
h
27
h = 27 tan 30
o
= 27 x
1
√
3
=
27
√
3
x
√
3
√
3
=
27
√
3
3
= 9
√
3
m
© africaexams.com
Go to Question:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
Prev Question
Next Question
