Everything Maths Grade 10

Exercise 13 – 3:

1.Calculate the volumes of the following prisms (correct to 1 decimal place):

a)

6 cm

10 cm

7 cm

b)

20 cm

10 cm

5 cm

c)

5 cm

10 cm

2.The figure here is a triangular prism. The height of the prism is 7 units; the triangles, which both contain

right angles, have sides which are 2,

p

21 and 5 units long. Calculate the volume of the figure. Round to

two decimal places if necessary.

5

7

p 2

21

3.The figure here is a rectangular prism. The height of the prism is 12 units; the other dimensions of the

prism are 11 and 8 units. Find the volume of the figure.

Chapter 13. Measurements 431