Everything Maths Grade 10

Step 2: Multiply the area of the base by the height of the solid to find the volume

volume=area of baseheight

= 9 3

=27 cm^3

Step 3: Write the final answer

The volume of the cube is 27 cm^3.

Worked example 6: Finding the volume of a triangular prism

QUESTION

Find the volume of the triangular prism:

20 cm

8 cm

10 cm

SOLUTION

Step 1: Find the area of the base

area of triangle=

1

2

bh

=

(

1

2

 8

)

 10

=40 cm^2

Chapter 13. Measurements 429