Answer:
111.8 in
Explanation:
The formula for volume of a pyramid is:
V = (L·W·H)/3
Where L = length of one side of the base
W = length of the other side of the base
H = the height
That's generic in case the base is a rectangle, but yours is a square, so L & W are the same:
V = (6.6 x 6.6 x 7.7)/3 = 335.4/3 = 111.8 in