A cylinder with a circumference of 25.12 decimeters is cut vertically along the diameter of the bottom surface, and the surface area is increased by 32 square decimeters to calculate the volume of the cylinder There should be a formula

A cylinder with a circumference of 25.12 decimeters is cut vertically along the diameter of the bottom surface, and the surface area is increased by 32 square decimeters to calculate the volume of the cylinder There should be a formula

Let the diameter be X
Radius = x / 2
2 (x / 2) * Pai = 25.12
X=8
32/8=4
Volume = pie * (x / 2) square * 4 = 200.96