year 8 maths

462 Chapter 8 Transformations and congruence
1 Complete the simple transformations of the given shapes as instructed.
a Reflect this shape over the mirror line.
Pre-test
b Shift this shape 2 units to the right and 1 unit down.
c Rotate this shape 180° about point C .
C
2 Consider this pair of quadrilaterals.
a Name the vertex, E, F, G or H , that matches (corresponds to) vertex:
i B ii D
b Name the angle, ∠A, ∠B, ∠C or ∠D , that matches (corresponds to) angle:
i ∠E ii ∠G
c Name the side, EF, FG, GH or HE , that matches (corresponds to) side:
i CD ii BC
D
A
E
C
B
F
3 Find the unknown angle in these triangles.
H
G
a
40°
b
a°
c
d
110° a°
80°
a°
a°
4 Which of the special quadrilaterals definitely fit the description?
A square B rectangle C rhombus
D parallelogram E kite F trapezium
a Opposite sides are of equal length.
b It has at least one pair of equal opposite angles.
c Diagonals are of equal length.
d Diagonals intersect at right angles.
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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