Answer:
Volume = 202.5m^3
Explanation:
Let's me proceed with the information provided
Volume of a Squared Pyramid
= 1/3 * Base Area^2 * height
From the question:
Base = 9m by 9m
Height = 7.5m
Therefore, volume
=1/3 * Base Area^2 * height
= 1/3 * 9*9 * 7.5
= 1/3 * 81 * 7.5
= 1/3 * 607.5
= 202.5m^3