Showing posts with label Cone. Show all posts
Showing posts with label Cone. Show all posts
Wednesday, 7 December 2011
Monday, 5 December 2011
Tuesday, 29 November 2011
Cone
The
flat face of a cylinder is circular. The cone has a curved face, a
circular flat face and a vertex. The pointy end of a cone is called the
vertex. The flat part is the base. An object shaped like a cone is said
to be conical. Because it has a curved surface, it is not a polyhedron.
Surface area of base =π × r2
| Surface area of side = π × r × s or π × r × √(r2+h2) |
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| Volume = π × r2 × (h/3) |
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