Hello!
To find the volume of a pyramid we use the equation
[tex] \frac{lwh}{3} [/tex]
l is length
w is width
h is height
Put in the values we know
[tex] \frac{10*9*9}{3} [/tex]
Multiply
[tex] \frac{810}{3} [/tex]
Divide
V = 270
The answer is 270 cubic inches
Hope this helps!
