2006 - WAEC Mathematics Past Questions and Answers - page 5
41
In the diagram, PQR is a straight line, QRST is a parallelogram, < TPQ = 72o and < RST = 126o. What type of triangle is (\bigtriangleup) PQT?
A
An equilateral triangle
B
A right-angled triangle
C
An isosceles triangle
D
A scalene triangle
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42
How many pupils took the test?
A
36
B
38
C
39
D
40
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43
If the pass mark was 4. What percentage of the pupils failed the test?
A
20.0%
B
37%
C
62.5%
D
80.0%
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44
The diagram shows an arc MN of a circle, centre O, with 10cm. If < MON = 72o. calculate the length of the arc, correct to three significant figures. [Take (\pi = \frac{22}{7})]
A
6.28cm
B
12.6cm
C
22.6cm
D
62.8cm
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45
In the diagram what is x + y in terms of z?
A
180o - z
B
180o + z
C
z - 180o
D
z
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46
In the diagram |XY| = 12cm, |XZ| = 9cm, |ZN| = 3cm and ZY||NM, calculate |MY|
A
3cm
B
4cm
C
5cm
D
6cm
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