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year 8 maths

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496 Chapter 8 Transformations and congruence

Exercise 8F

EXTENSION

UNDERSTANDING AND FLUENCY

1–5 2–5

4, 5

1 List any pairs of shapes that look similar (i.e. same shape but different size).

A

B

C

D

E

F

G

H

I J K L

M

N

O

2 Consider these two triangles.

B

3 cm

1 cm

C

A 2 cm D

2 cm

4 cm

6 cm

F

E

a Name the angle on the larger triangle that corresponds to:

i ∠A ii ∠B iii ∠C

b Name the side on the smaller triangle that corresponds to:

i DE ii EF iii FD

c Find these side ratios.

DE

EF

FD

i

ii

iii

AB

BC

CA

d Would you say that the two triangles are similar? Why or why not?

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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