Answer:
Option (3) is correct.
Volume of house can be found by adding volume of rectangular prism and volume of a triangular prism.
Explanation:
Here, given a shape of house consisting of a rectangular prism at the base and a triangular prism at the top.
We need to find the volume of the house.
To find the volume of the house simply add the volume of both the shapes.
Thus, Volume of house can be found by adding volume of rectangular prism to the volume of triangular prism.
Thus, Option (3) is correct.