Answer:
135 cubic centimeters
Step-by-step explanation:
The formula for volume of a pyramid is lwh/3 = V.
The base (length and width, remember) is 9 cm * 9 cm, because it's a square pyramid. The height is 5 cm. Plug these in!
lwh/3 = V
9*9*5/3 = V
V = 135 cubic centimeters
