pra percubaan form 3 2015
DESCRIPTION
form 3 topicsTRANSCRIPT
CONFIDENTIAL22 MMM315
[ 100 MARKS ]
Answer All Questions
1.
(a)
In Diagram 1, and are straight lines.
Diagram 1
State
(i)
a transversal line.
Answer : ______________
(ii)
a pair of corresponding angles.
Answer : ______________
(iii)
a pair of alternate angles.
Answer : ______________
(iv)
a pair of interior angles.
Answer : ______________
4
(b)
In Diagram 2, and are straight lines.
Diagram 2
Find the value of .
Answer : ______________
3
2
(a)
The sum of the exterior angles of a decagon is
A.1440
B. 360
C.180
D.144
(b) Diagram 3 below shows a regular polygon.
Diagram 3
(i)
Name the polygon.
Answer : ______________
(ii)
State the number of axis of symmetry of the polygon.
Answer : ______________
(iii)
On the diagram in the answer space below, draw the axis of symmetry of the polygon..
Answer :
4
(b)
Given that, the size of interior angle of a regular polygon is .
(i)
Find the size of the exterior angle.
Answer : ______________
(ii)
Calculate the number of sides of the polygon.
Answer : ______________
3
(c)
Diagram 4shows a regular pentagon. is a straight line.
Diagram 4
The value of is
Answer : ______________
3
3.
(a)
Diagram 5 show a quadrilateral in a circle with center .
Diagram 5
State the value of
(i)
Answer : ______________
(ii)
Answer : ______________
(iii)
Answer : ______________
(iv)
Answer : ______________
4
(b)
In Diagram 6, is a circle with centre .
Diagram 6
Find the value of .
Answer : ______________
2
(c)
Diagram 7 shows a train carrying a ton of sand. Every three tires of the train are connected by a straight steel. Given that the distance between tires is and the radius of each tire is .
96 cm
Diagram 7
Calculate the total length, in , of the two straight steel.
Answer : ______________
3
4.
(a)
Diagram 8 shows the sales of different flavours of cookies in a particular week.
Chocolate
Peanut
Butter
Oatmeal
Lemon
Diagram 8
The number of chocolate cookies sold are .
(i)
Find .
Answer : ______________
(ii)
Calculate the number of lemon cookies sold.
Answer : ______________
(iii)
Find the ratio of peanut butter cookie to the difference of chocolate and lemon cookie.
Answer : ______________
7
(b)
Table 1 shows the number of greeting cards made by a group of students.
Number of cards
4
5
6
7
8
Number of students
2
4
8
10
6
Table 1.
(i)
Calculate the percentage number of students who can create more than 7 cards.
Answer : ______________
(ii)
Calculate the mean number of cards made by a student. Give your answer in decimal places.
Answer : ______________
(iii)
Calculate the median.
Answer : ______________
7
5.
(a)
Simplify
(i)
Answer : ______________
(ii)
Answer : ______________
(iii)
Answer : ______________
4
(b)
Find the value of
Answer : ______________
3
(c)
Given that . Find the value of .
Answer : ______________
3
6.
(a)
Expand each of the following:
(i)
Answer : ______________
(ii)
Answer : ______________
3
(b)
Factorise each of the following expression completely:
(i)
Answer : ______________
(ii)
Answer : ______________
(iii)
Answer : ______________
(iv)
Answer : ______________
6
(c)
Express as a single fraction in its simplest form.
Answer : ______________
2
(d)
Simplify
Answer : ______________
3
7.
(a)
(i)
Based on the above statement, state the variable.
Answer : ______________
(ii)
Given that
Express in terms of and .
Answer : ______________
4
(b)
There are a total of students signed up for a competition. On the day of the competition, there are only students can make it to the competition. The number of absentees are students.
(i)
Write a formula as is the subject.
Answer : ______________
(ii)
If and , find the value of .
Answer : ______________
4
8.
(a)
(i)
Diagram 9 shows a right circular cone with radius . given that the slant height of the cone is .
Diagram 9
Find the volume of the cone, in terms of.
Answer : ______________
(ii)
Diagram 10 shows a right prism with trapezium as its uniform cross section. Given that the volume of the prism is .
Diagram 10
Calculate the value of .
Answer : ______________
5
(b)
Diagram 11 shows a cylindrical container with radius . The cylindrical container is filled with of water.
Diagram 11
(i)
Convert the volume of water to .
Answer : ______________
(ii)
Find the height of the water, in
Answer : ______________
(iii)
When all spherical-shaped marbles are put into the cylindrical container, the height of the water increases to .
Findthe volume of one marble, in .
Answer : ______________
7
9.
(a)
The distance between two towns on a map is . If the scale used is , what is the actual distance, in , of the towns?
Answer : ______________
2
(b)
Diagram 12 shows a polygon drawn on a grid of equal squares with sides of 1 unit.
Diagram 12
On the grid in the answer space, redraw the polygon using the scale .
The grid has equal squares with sides of 1 unit.
Answer :
2
(c)
Diagram 13 shows a by picture brought by a teacher in a class. Ahmad is required to draw the picture on a scale of .
Diagram 13
(i)
Calculate the area of the drawing.
Answer : ______________
(ii)
If Ahmad draws a by picture, calculate the scale used by Ahmad.
Answer : ______________
4
10.
(a)
(i)
Diagram 14 shows hexagon on a square grid. is the image of under an enlargement.
Diagram 14
State the scale factor of the enlargement.
Answer : ______________
(ii)
Diagram 15 below shows two similar shapes.
Diagram 15
Find the values of .
Answer : ______________
3
(b)
Diagram 16 shows two triangles and . Triangle is the image of triangle under an enlargement.Given that the area of shaded region is.
A
B
E
D
C
2cm cm
3cmcmcm
Diagram 16
Find the area, in , of the unshaded region.
Answer : ______________
3
(c)
Diagram 17 shows a triangle drawn on a square grid. On the diagram, draw the image of STW under an enlargement at point with scale factor.
Answer:
S
T
W
Diagram 17
3
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