A cylinder with a diameter of 5cm at the bottom and a height of 12cm is cut into two and a half cylinders along the diameter, and the surface area is increased______ ．

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• 1. If the height of a cylinder increases by 2 cm, its surface area will increase by 50.24 square cm. If the height decreases by 2 cm, it will be equal to the diameter of the bottom surface, and the volume of the cylinder will increase How many?
• 2. 1. A cylinder with a radius of 4cm is cut along the diameter of the bottom surface, and the surface area is increased by 40 square centimeters. What is the volume of the cylinder 2. A cone with a bottom radius of 3 decimeters is cut vertically along the height, and the surface area increases by 60 square decimeters. What is the volume of the cone
• 3. If the height of a cylinder increases by 1cm, its surface area will increase by 50.24 square centimeters. What is the bottom area of the cylinder? Formula
• 4. If the height of a cylinder increases by 1cm, its side area increases by 50.24cm. What is the radius of the bottom of the cylinder
• 5. If you increase the height of a cylinder by 1 cm, its surface area will increase by 50.24 square cm. What is the bottom radius of the cylinder?
• 6. The circumference and height of the bottom surface of a cylinder are equal. If the height is shortened by 2 cm, the surface area will be reduced by 12.56 square cm. Find the surface area of the cylinder
• 7. If the height of a cylinder is increased by 3 cm, the height of the cylinder is equal to the circumference of the bottom surface, and the area is increased by 94.2 square cm. The volume of the original cylinder is calculated
• 8. If the height of a cylinder with the same circumference as the height of its bottom surface is shortened by 1 cm, its surface will be reduced by 6.28 square cm, and the volume of the cylinder will be calculated
• 9. If the height of a cylinder is reduced by one centimeter, its side area will be reduced by 6.28 square centimeter
• 10. If the height of a cylinder increases by 1cm, its surface area will increase by 50.24 square centimeters. What is the bottom area of the cylinder?
• 11. An 8 cm high cylinder is cut into an approximate cuboid. Its surface area is 48 square centimeters larger than that of the original cylinder______ Centimeter, the volume is______ Cubic centimeter
• 12. A cylinder with a diameter of 8 cm at the bottom is cut into two pieces vertically along the diameter of the bottom. The surface area is increased by 112 square centimeters. What is the volume of the cylinder
• 13. After putting a cylinder 8 decimeters high into an approximate cuboid with the same base as the cylinder, the surface area increases by 24 square minutes, and the volume of the cylinder is the sum of the formula and the formula
• 14. The sum of the volumes of a cylinder and a cone with equal base and height is 120 cubic decimeters, and the volume of a cylinder is 120 cubic decimeters______ Cubic decimeter, the volume of a cone is______ Decimeter
• 15. A cylinder and a cone have the same circumference and height at the bottom. The volume of the cone is 3.6 cubic decimeters, and the volume of the cylinder is 3.5 cubic meters
• 16. The diameter of the bottom of the cylinder is 2cm, and the volume of the existing cylinder is several times that of the original cylinder after enlarging by 3:1
• 17. The height of two cylinders is equal. If the radius of the bottom of the large cylinder is exactly the diameter of the bottom of the small cylinder, what is the volume of the large cylinder School starts tomorrow
• 18. The height of two cylinders is equal, the bottom radius of the big cylinder is equal to the bottom diameter of the small cylinder, and the volume of the small cylinder is 12______ ．
• 19. There are two cylinders of equal height. The ground diameter of the large cylinder is 20% larger than that of the small cylinder. The volume of the large cylinder is 360 cubic centimeters
• 20. The two cylinders are equal in height, the ratio of bottom area is 3:5, the volume of cylinder a is 12m & sup3;, and the volume of cylinder B is () M & sup3? The two cylinders are equal in height, the ratio of bottom area is 3:5, the volume of cylinder a is 12m & sup3;, and the volume of cylinder B is () M & sup3?