Answer:
520/3 cubic feet
Explanation:
You can divide this figure into 2 parts for easy calculation; a pyramid and a rectangular prism. You can find the volume of the rectangular prism by multiplying together all of the side lengths. 3*4*10=120 ft^3. To calculate the volume of a pyramid, you simply need to use the formula
, which in this case is
. Adding the 120 cubic feet from earlier, you get a total of
. Hope this helps!