bab 2 polygons (ii)
TRANSCRIPT
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MATHEMATICS
FORM 3
MODULE 2
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POLYGONS II
MINISTRY OF EDUCATION MALAYSIA
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MODULE 2: POLYGONS II
Arahan:
1. Modul ini mengandungi tiga puluh enam soalan. Semua soalan adalah dalam
bahasa Inggeris.
2. Modul merangkumi tujuh konstruk yang diuji
K1 - Memahami soalan dalam bahasa InggerisK3 - Memahami istilah matematik dalam bahasa InggerisK5 - Menguasai konstruk pengetahuan
K6 - Menguasai konstruk kefahamanK7 Menguasai konstruk kemahiranK8 Mengungkapkan idea/informasi dalam bahasa InggerisK10 Memahami pengajaran dan pembelajaran dalam bahasa Inggeris
3. Murid hendaklah menulis maklumat diri dalam kertas jawapan objektifdisediakan. Murid juga perlu memastikan maklumat konstruk, nombor soalan dan
jumlah soalan seperti yang dibaca oleh guru di dalam ruangan disediakan dalamkertas jawapan objektif sebelum ujian.
4. Bagi soalan objektif, anda perlu menandakan jawapan dengan menghitamkan
pilihan jawapan pada pilihan jawapan A , B , C atau D pada kertas jawapanobjektif.
Contoh:
Antara berikut, yang manakah haiwan?
A. Pokok B. Kambing C. Kereta D. Pen
5. Untuk soalan subjektif, jawapan hendaklah ditulis pada kertas berasinganyang disediakan oleh guru.
6. Jawab semua soalan.
Modul ini mengandungi 18halaman bercetak
DA B C E
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3
1 In a regular polygon, all sides are of equal length and all interior angles are of
equal size.Which of the following is nota regular polygon?
A C
B D
2 In a regular polygon, the number of axes of symmetry is equal to the number ofsides. The diagram shows a regular hexagon.
How many axes of symmetry are there in a regular hexagon?
A 2
B 4
C 6
D 12
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3 Angles that are inside a polygon are known as interior angles. The diagram
shows a decagon.
Which of the following is an interior angle ?
A w
B x
C y
D z
4 A pentagon has five sides. Which of the following is a pentagon?
A C
B D
w
x
y
z
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5 The number of triangles in a polygon is equal to the number of sides of the
polygon minus two.
How many triangles are there in a 12-sided polygon?
A 6
B 10
C 12
D 14
6 The diagram shows a quadrilateral.
p, q, r and sare called
A interior angles
B exterior angles
C complementary angles
D supplementary angles
q
p
r
s
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7 A two dimensional shape that has equal length and equal interior angles isknown as a
A cuboid
B rhombus
C regular polygon
D irregular polygon
8 A line that divides a shape into two identical parts which are the mirror image ofeach other is known as
A axis of symmetry
B y-axis
C x-axis
D diagonal
9 PQRST is a pentagon and RUis a straight line.
xand yare
A supplementary angles
B complementary angles
C exterior angles
D interior angles
USR
yx
P
TQ
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10 The diagram shows an equilateral triangle PQR.
PQR, QRPand RPQ are called
A reflex angles
B interior anglesC supplementary angles
D complementary angles
11 Which of the following is a regular polygon?
A
B
Q
RP
C
D
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12 The number of triangles that can be formed in a polygon with nsides is
A n
B n - 1
C n + 2
D n - 2
13 The sum of exterior angles of a polygon is
A 180
B 360
C 540
D 720
14 Which of the following is an interior angle?
A p C r
B q D s
15 How many sides are there in a nonagon ?
A 7
B 8
C 9
D 10
qp
s
r
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16 Which of the following is the correct step to find the sum of the interior angles of
an octagon ?
A 3 180
B 4 180
C 5 180
D 6 180
17 PQRSTUis a regular hexagon.
The value ofxcan be determined by
A4
360
B6
360
C4
180
D6
180
x
U T
S
RQ
P
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18 The sum of interior angles of a heptagon is
A 7 x 180
B 6 x 180
C 5 x 180
D 4 x 180
19 In the diagram , EFGHI is a pentagon.
Which of the following statements is false ?
A p + q= 180
B q + t= 180
C p = t
D s + t= 180
s
r
t
qp
E F
G
HI
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20 PQRST is a regular pentagon.
Which of the following calculation is used to find the value ofx?
A 3
3602)(5
B5
3602)(5
C3
1802)(5
D5
1802)(5
Q
R
ST
P
x
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21 The diagram shows an irregular hexagon.
Find the value ofx
A 60
B 65
C 70
D 75
22 The diagram shows a combination of two regular polygons.
Find the value ofp.
A 108
B 120
C 132
D 228
70
65
35x
40
80
p
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23 The diagram shows part of a regular polygon.
Find the number of sides of the polygon.
A 6
B 10
C 12
D 14
24 In the diagram, RSTUVWis a hexagon.
Find the value ofx.
A 120
B 130
C 154
D 168
150
100
68
230
168
x
V
T
U
S
R
W
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25 In the diagram EFGHIJ is a polygon.
Find the value ofx + y.
A 200
B 145
C 115
D 110
All questions from number 26 to number 30 must be answered in words.
26 What is a regular polygon?
Answer:
EJ
135
70
x
45y
F
G
H
I
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27 Describe how to find the number of sides of a regular polygon if the exterior
angle isx.
Answer :
28 Explain how to draw a regular pentagon.
Answer :
29 Explain how to identify the interior and exterior angles of a polygon.
Answer :
30 Describe the relationship between the number of sides, nof a regular polygonand the number of triangles that can be formed in the polygon.
Answer :
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31 Explain how to find the axis of symmetry of the polygon shown below.
Answer :
From Question 32 36, the teacher reads the questions to the students. Studentschoose the correct answer.
32
A 36
B 72
C 108
D 144
x
Q
R S
T
P
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33
A 30
B 45
C 60
D 120
34
A 4
B 6
C 8
D 10
S
R
QP
T
OU
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35
A Hexagon
B Heptagon
C Octagon
D Nonagon
36
A ( 6 2 ) x 180
B ( 6 + 2 ) x 180
C ( 6 2 ) 180
D ( 6 + 2 ) 180
END OF QUESTION PAPER
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A B C D E
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Tahun/ Tingkatan : 3 Mata Pelajaran: MATEMATIK
GUNAKAN PENSIL 2B ATAU BB SAHAJA.TENTUKAN TIAP-TIAP TANDA ITU HITAM DAN MEMENUHI KESELURUHAN RUANG.PADAMKAN HINGGA HABIS MANA-MANA TANDA YANG ANDA UBAH
SILA HITAMKAN JAWAPAN DI BAWAH MENGIKUT HURUF JAWAPAN YANG ANDA PILIH
KEMENTERIAN PELAJARAN MALAYSIA
KERTAS JAWAPAN OBJEKTIF
Ujian Diagnostik
51
52
53
54
55
A B C D E
A B C D E
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A B C D E
A B C D E
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57
58
5960
A B C D E
A B C D E
A B C D E
AB C D E
A B C D E
46
47
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A B C D E
A B C D E
A B C D E
A B C D E
A B C D E
41
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A B C D E
A B C D E
A B C D E
AB C D E
A B C D E
31
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35
A B C D E
A B C D E
A B C D E
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A B C D E
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A B C D E
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A B C D E
1
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A B C D E
Konstruk No. Soalan JumlahSoalan
Bilangan SoalanGagal Dijawab
Kegunaan Guru
K1
K3
K5
K6
K7
K8
K10
1-5
6-10
11-15
16-20
21-25
26-31
32-36
5
5
5
5
5
6
5
1
9
2
3
10
4
5
6
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8
Nama Pelajar:
Nama Sekolah: Modul: 2