year 8 maths

8G
Similar triangles
503
Example 11
3 Decide, with reasons, why these pairs of triangles are similar.
a
C
F
b A B
75° 80°
F
12 m 13 m
A
5 m
B
26 m
24 m
D
75° 80°
E
E
10 m
D
C
c
B
5 m
A 3 m
120°
F
C
6 m
120°
D
10 m
E
d
A
B
11 m
13 m
F
C
26 m
22 m
E
D
e
E
2 m
F
A
4 m
1 m
D
C
0.5 m
B
f
12 m
A
40°
6 m
B
F
C
18 m
E
9 m
40°
D
g
A
15°
B
61°
C
15°
61°
F
E
h
A
C
4 m
6 m
B
10 m
D
E
15 m
F
D
Cambridge Maths NSW
Stage 4 Year 8 Second edition
ISBN 978-1-108-46627-1 © Palmer et al. 2018
Cambridge University Press
Photocopying is restricted under law and this material must not be transferred to another party.