Answer:
V = 3085 in³
Explanation:
The volume is given by:

Where:
A: is the area
h: is the height = 7 in
The area of the polygon can be found by using the given equation:
Where:
a: is the apothem = 11.3 in
p: is the perimeter
The perimeter is:
Hence, the volume is:
I hope it helps you!