Nota & latihan ringkas tajuk poligon.Full description
PMRFull description
tes
pd
7. 0
1.
PENJELMAAN
In Diagram 1, Q is the image of P under a rotation of 90° clockwise about the centre M. On the diagram in the answer space, mark the point M. [2 marks] Answer:
P
Q
Diagram 1 2.
Diagram 2, in the answer space shows a triangle T drawn on a grid of equal squares. On the diagram in the answer space, draw the image of triangle T under an enlargement with centre P and scale factor 3. [2 marks] Answer:
P
●
T
Diagram 2
3.
Diagram 3, shows two triangles P and Q, drawn on a Cartesian plane. Q is the image of P under a rotation. State: (a) the direction of the rotation (b) the coordinates of the centre of the rotation [2 marks] Answer:
y 12
10
8 Q 6 P
4
2
0
2
4
6
Diagram 3
8
10
12 x
4.
Diagram 4 is drawn on square grids. Draw the image of triangle KLM under a rotation of 90° clockwise about T. [3 marks] Answer:
T
Diagram 4
5.
Diagram 5 in the answer space is drawn on a grid of equal squares. On the diagram, draw 4 the image of trapezium PQRS under the translation and label it as P’ Q’ R’ S’. 3 [3 marks] Answer:
y
6
4
P S
2
R Q x
-6
-4
-2
0 -2
-4
-6
Diagram 5
2
4
6
6.
In Diagram 6, (a) draw and label the image P’Q’R’S’ of quadrilateral PQRS after a reflection in line KL. (b) mark the point T’ which is the image of T under the same reflection. (c) state the coordinates of T’. [3 marks] Answer: y
6 K P
Q
4
R 2
S
x -6
●
-4
-2
0
2
T -2
L
-4
-6
Diagram 6
4
6
7.
Diagram 7 in the answer space shows a quadrilateral OPQR drawn on a grid of equal squares of sides 1 unit. (a) If OPQR is reflected in the line OR, draw and shade the image of OPQR in the grid below. (b) If OPQR is mapped onto OJKL by an enlargement about the centre O with scale factor 3, draw the quadrilateral OJKL in the same grid below. [3 marks] Answer:
Q
P
R
O
8.
Diagram 7 In Diagram 8, triangle K’L’M’ is the image of triangle KLM under transformation T. Describe in full transformation T. [2 marks] Answer:
y 6 K M
3 L
x -3
0
L’
3
6 M’
-3 K’
Diagram 8
9.
Diagram 9 in the answer space shows triangle PQR drawn on a Cartesian plane. (a) (b) (c)
0 If triangle ABC is the image of triangle PQR under a translation , draw the 2 triangle ABC. The vertex R is the image of the vertex Q under a reflection about the line HG. Draw on the same diagram, the axis of reflection. If C’ is the image of C under a reflection in the line HG, mark the point C’ in the diagram. State the coordinates of C’. [3 marks]
Answer:
y 6 Q 4 P 2 R x 0
2
4
6
8
Diagram 9
10. Diagram 10 in the answer space shows a polygon ABCDEF and a straight line QR drawn on a grid of equal squares. Starting from the line QR, draw the polygon PQRSTU which is congruent to polygon ABCDEF. [2 marks] Answer:
