Answer:
A=12,000 m^3
Explanation:
First, here is the area of the pyramid.
A= 1/3 Bh
Now, let's define our variables.
B= 900 m^2
h= 40 m
We will plug them into the equation.
A= 1/3 (900)(40)
I will simplify by dividing 900/3 to get rid of the fraction.
A= 300(40)
A=12,000
Hope this helps!