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year 8 maths

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Semester review 1 339

Chapter 3: Measurement and Pythagoras’ theorem

Multiple-choice questions

1 A cube has a volume of 8 cubic metres. The area of each face of the cube is:

A 2 m 2 B 4 m 2 C 24 m 2 D 384 m 2 E 512 m 2

2 The area of this triangle is:

A 48 m 2

B 24 m 2

C 30 m 2

D 40 m 2

E 480 m 2

3 The perimeter of this semicircle is closest to:

A 38 cm

B 30 cm

C 19 cm

D 31 cm

E 37 cm

4 The value of x in this triangle is closest to:

A 176

B 14

C 274

D 17

E 13

5 The area of this rectangle is:

A 48 m 2

B 48 000 cm 2

C 480 cm 2

D 0.48 m 2

E 4.8 m 2

Short-answer questions

1 Complete these conversions.

a 5 m =– cm b 1.8 m =– cm c 9 m 2 =– cm 2

d 1800 mm =– m e 4 L =– cm 3 f

2 Find the perimeter of these shapes.

a

6.2 cm

b

14 m

6 m

x

12 cm

7

15

1.2 m

18 m

8 m

10 m

c

40 cm

1

100 km2 =– m 2

4 m

3 m

7 m

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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