The side view of a cylinder is a square. If the height of the cylinder is shortened by 2 cm, the surface area will be reduced by 12.56 square cm. Find the original cylinder Volume of

The side view of a cylinder is a square. If the height of the cylinder is shortened by 2 cm, the surface area will be reduced by 12.56 square cm. Find the original cylinder Volume of

If the expansion diagram is a square, then let one side of the square be x, the height be shortened by 2 cm, and the surface area be reduced by 12.56, that is, the reduced part be a rectangle, that is, 2x = 12.56, x = 6.28. Thus, the perimeter of one side of the square, that is, the circle at the bottom of the cylinder, is 6.28, that is, the radius of the circle at the bottom of the cylinder is 2 π r = 6.28, r = 1. The volume of the circle is v = sh = π R (square) x = 3.14x1x6.28=