Given:
Dimensions of the base of the prism = 5 m by 3 m
Height of the prism = 4 m
To find:
The volume of the prism.
Solution:
We know that, volume of the prism is

where, B is base area and h is height of the prism.
Base area of the prism is

Now, volume of the prism is


Therefore, the volume of the prism is 60 sq. m.