Cambridge International Mathematics

244 Mensuration (solids and containers) (Chapter 11)

de f

gh i

jk l

2 Find formula for the volumeV of the following objects:

ab

3

4

5 The conservatory for tropical plants at the Botanic gardens is a

square-based pyramid with sides 30 metres long and height 15 metres.

Calculate the volume of air in this building.

6 Calculate the volume of wood needed to

make the podium illustrated.

area 15 cm^2

3cm

8cm 9cm

8cm

12 cm

10 cm

8cm

8cm

10 cm

4cm

6cm

11 cm

10 cm

6.2 m

7cm 5cm

area, A

l

a

b

c

A beach ball has a diameter of m. Find the volume

of air inside the ball.

12 :

10 m

0.6 m

30 m

15 m

60 cm

30 cm

90 cm

3m

50 cm

The roof timber at the end of a building has the

dimensions given. If the timber is cm thick, find

the volume of timber used for making one end.

10

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Y:\HAESE\IGCSE01\IG01_11\244IGCSE01_11.CDR Friday, 3 October 2008 4:32:48 PM PETER