year 8 maths

8F
Similar figures
497
3 Decide if the pairs of shapes on these grids are similar. If so state the scale factor.
a
b
c
d
Example 9
4 For the following pairs of similar figures, complete these tasks.
i List the pairs of corresponding sides.
ii List the pairs of corresponding angles.
iii Find the scale factor.
iv Find the values of the pronumerals.
a
A
2 m
B
E
4 m
F
b
C
F
D
y m
100°
C
1 m
H
x m
a°
G
6 m
6 cm
A
95° B
x cm
2 cm
E 95°
1 cm
D
c
A
2 m
D
x m
a°
3 m
B
d
E
4 cm
2 cm D
a° C
C
F
6 m
40° 80°
y m
H
E
3 m
A
I
x cm
B
H
115°
G
G
J
10 cm
F
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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