year 8 maths

516 Chapter 8 Transformations and congruence
Multiple-choice questions
1 The number of lines of symmetry in a regular pentagon is:
A 10 B 5 C 2 D 1 E 0
Chapter review
2 Which vector describes a translation of 5 units to the left and 3 units up?
3
−3
5
−5
A
B
C
D
[ −5]
[ 5]
[ −3]
[ 3]
E
−5
[ −3]
6
3 The point A(−3, 4) is translated to the point A′ by the vector . The coordinates of point A′ are:
[ −4]
A (3, 8) B (−9, 8) C (3, 0) D (0, 3) E ( −9, 0)
4 An anticlockwise rotation of 125° about a point is the same as a clockwise rotation about the same
point of:
A 235° B 65° C 55° D 135° E 245°
5 Point A(1, 3) is rotated clockwise about C by 90° to A′ .
The coordinates of A′ are:
A (3, 0) B (3, −1) C ( −3, 1)
D (−1, 3) E (3, 1)
y
A
C
O
x
Questions 6 , 7 , 8 and 9 relate to this pair of congruent triangles.
C F E
A
B
D
6 The angle on △DEF that corresponds to ∠A is:
A ∠C B ∠B C ∠F D ∠D E ∠E
7 If AC = 5 cm , then ED is equal to:
A 5 cm B 10 cm C 2. 5 cm D 15 cm E 1 cm
8 A congruent statement with ordered vertices for the triangles is:
A △ ABC ≡ △FED
B △ ABC ≡ △EDF
C △ ABC ≡ △DFE
D △ ABC ≡ △DEF
E △ ABC ≡ △EFD
9 Which of the four tests would be chosen to show that these two triangles are congruent?
A AAS B RHS C SAS D AAA E SSS
Cambridge Maths NSW
Stage 4 Year 8 Second edition
ISBN 978-1-108-46627-1 © Palmer et al. 2018
Cambridge University Press
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