Surface area of a cone
Mathematics · Grade 8 · about 40 minutes
The sector plus the base circle, with the open funnel case worked through.
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- 7 sections of explanation, worked examples and diagrams
- 1 practice task with hints and worked answers
- A quiz that marks itself as you go
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Other lessons in this sub-strand
- Common solids around us
- Faces, edges and vertices
- The net of a cube
- The net of a cuboid
- The net of a cylinder
- The net of a pyramid
- The net of a cone
- Surface area of a cube
- Surface area of a cuboid
- Surface area of a cylinder
- Surface area of a pyramid
- Surface area of a cone
- Distance between two points on a solid
- Making models of hollow solids
- Hollow and compact solids
- Common solids in real life