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 2014 Paper
Show Para
Hide Para
Share question:
© africaexams.com
Question : 28
Total: 49
A chord subtends an angle of 120
o
at the centre of a circle of radius 3.5cm. Find the perimeter of the minor sector containing the chord, [Take
π
=
22
7
]
14
1
3
cm
12
5
6
cm
8
1
7
cm
7
1
3
cm
Validate
Solution:
perimeter of minor sector
2r +
θ
360
×
2
π
r
= 2 x 3.5 +
120
o
360
o
×
2
22
7
×
3.5
= 7 +
154
21
= 7 + 7.33
= 14.33
= 14
1
3
cm
© 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
Prev Question
Next Question
