A cylindrical iron block with a bottom area of 6.28 square meters and a height of 9 decimeters is fused into a conical iron block with a bottom area of 12.56 square decimeters. How many decimeters is the height of the conical iron block
6.28 square meters = 628 square decimeters 6.28x9 = 56.52 cubic decimeters 5652 × 3 △ 12.56 = 1350 (decimeters)
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- 1. A cylinder iron block with a bottom area of 6.28 square decimeters and a height of 9 decimeters is melted and cast into a cone with a bottom area of 12.56 square decimeters. What is the height of the cone?
- 2. Cast a cylindrical iron block with a bottom area of 6.28 square decimeters and a height of 9 decimeters into a cone with a bottom area of 12.56 square meters. What is the height of the cone How can I calculate that it's 0.015 decimeter 6.28*9=56.52(dm3) 12.56m2=1256dm2 Let the height of the cone be x decimeters 1 / 3 * 1256x = 56.52 1256x = 56.52 divided by 3 1256x=18.84 X = 18.84 divided by 1256 x=0.015 How can this be? Why do some people write 0.135 decimeters,
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- 4. What is the surface area of a cone-shaped part with a circumference of 18.84dm and a height of 15dm, melted into a cylinder with the same base as it
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- 6. There is a conical part with a bottom diameter of 4 decimeters and a height of 15 decimeters. Now, it is fused into a cylinder with the same bottom as him. What is the height of the cylinder
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