We have a square object that has the same height and the same base shape with the pyramid . We need 3 cones filled with green liquid to fill the square object that how we came up with our volume formula.
A square house has a pyramid shaped attic built Under the roof,with converting into a bedroom we want to Air conditioner the room.The perimeter of the base of the room is 135ft,and the attic height is 4 ft How many cubic feet of air are in the attic?