Fill in the blanks about cylinder and cone (1) The upper and lower sides of the cylinder are () shape, and the area is (). The side view of the cylinder is () shape, one set of opposite sides of the figure is cylindrical (), the other set of opposite sides is cylindrical () (2) Expand the side of a cylinder to get a square. The diameter of the bottom of the cylinder is 8cm, and the height of the cylinder is () cm (3) The bottom of the cone is a () shape. The distance from the top of the cone to the center of the circle is called () of the cone (4) If the base area and height of a cylinder and a cone are equal respectively, then the volume of the cone is () of the volume of the cylinder (5) The bottom area of a cone is 12 square decimeters, its height is 9 decimeters, and its volume is () cubic decimeters (6) The volume of a cylinder is 21 cubic centimeters, and the volume of a cone is () cubic decimeters

Fill in the blanks about cylinder and cone (1) The upper and lower sides of the cylinder are () shape, and the area is (). The side view of the cylinder is () shape, one set of opposite sides of the figure is cylindrical (), the other set of opposite sides is cylindrical () (2) Expand the side of a cylinder to get a square. The diameter of the bottom of the cylinder is 8cm, and the height of the cylinder is () cm (3) The bottom of the cone is a () shape. The distance from the top of the cone to the center of the circle is called () of the cone (4) If the base area and height of a cylinder and a cone are equal respectively, then the volume of the cone is () of the volume of the cylinder (5) The bottom area of a cone is 12 square decimeters, its height is 9 decimeters, and its volume is () cubic decimeters (6) The volume of a cylinder is 21 cubic centimeters, and the volume of a cone is () cubic decimeters

(1) The upper and lower sides of the cylinder are (circle) shape, and the area is (equal). The side expansion of the cylinder is (rectangle). One set of opposite sides of the figure is the height of the cylinder, and the other set of opposite sides is the circumference of the bottom of the cylinder
(2) Expand the side of a cylinder to get a square. The diameter of the bottom of the cylinder is 8cm, and the height of the cylinder is (8 π) cm
(3) The bottom of a cone is a (circle) shape. The distance from the top of the cone to the center of the circle is called the (height) of the cone
(4) If the base area and height of a cylinder and a cone are equal respectively, then the volume of the cone is (1 / 3) of the volume of the cylinder
(5) The bottom area of a cone is 12 square decimeters, its height is 9 decimeters, and its volume is (36) cubic decimeters
(6) The volume of a cylinder is 21 cubic centimeters, and the volume of a cone is (7) cubic decimeters
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The volume of a cylinder is equal to that of a cone. Given that the area of the bottom of the cone is 13 times that of the cylinder, the height of the cone is 9 times that of the cylinder

Let v be the volume of the cylinder and the cone, and s be the area of the bottom of the cone, then the area of the bottom of the cylinder is 3S, so the height of the cylinder is v3s, and the height of the cone is 3vs, 3vs △ v3s = 9, so the height of the cone is 9 times that of the cylinder

Fill in the blanks of mathematical cylinder and cone
(1) The bottom radius of a cylinder is 1cm and its height is 10cm. Its bottom area is (), side area is (), and surface area is ()
(2) A cylindrical iron block can be melted and cast into () cylindrical iron blocks with the same base and height
(3) 4080 cubic decimeter = () cubic meter 4.65 liter = () cubic centimeter
(4) It is known that the circumference of the bottom surface of a cylinder is 12.56dm, the height is 9dm, the volume of a cylinder is () cubic decimeter, and the volume of a cone is () cubic decimeter
(5) The volume of a cone and a cylinder is equal to the area of the bottom. If the height of the cone is 12dm, then the height of the cylinder is () DM
(6) The diameter of the bottom of a cone is 8cm, the height is 9cm, and its volume is () cubic centimeter
A cylinder, the bottom area is 9.42 square centimeter, the height is 3cm, its volume is () cubic centimeter
(7) The volume difference between a cone and a cylinder with the same base and height is 18.84 cubic centimeter. The volume of a cone is () cubic centimeter, and that of a cylinder is () cubic centimeter
(8) Cut a cylinder 1m high into the largest cone. The volume of the cone is 9.42 cubic centimeter, and its bottom area is () square centimeter
(9) When the cylinder with height of 1m is cut into two sections, the surface area is increased by 16 square centimeters. The original volume of the cylinder is ()
(10) A square iron sheet with a side length of 20cm is used to form a cylinder with a side area of () cubic centimeter

(1) 14 square centimeter, 62.8 square centimeter, 69.08 square centimeter
（2）3
（3）4.08,4650
（4)113.04,37.68
(5)4
(6)150.72,28.26
(7)9.42,28.26
(8)0.2826
(9) 8 cc
(10)400