After a cylinder is cut into an approximate cuboid, the bottom area of the cuboid is equal to that of the cylinder________ The height is equal to the height of the circle_________ Because the volume of a cuboid is equal to_______________ So the volume of the cylinder is equal to_____________ The calculation formula of the volume of a cylinder expressed in letters is_______________ .

After a cylinder is cut into an approximate cuboid, the bottom area of the cuboid is equal to that of the cylinder________ The height is equal to the height of the circle_________ Because the volume of a cuboid is equal to_______________ So the volume of the cylinder is equal to_____________ The calculation formula of the volume of a cylinder expressed in letters is_______________ .

After a cylinder is cut into an approximate cuboid, the bottom area of the cuboid is equal to that of the cylinder__ Floor area______ The height is equal to the height of the circle__ High_______ Because the volume of a cuboid is equal to______ Length * width * height_________ So the volume of the cylinder is equal to__ Bottom area * height___________ Use letters for circles