This lesson looks at finding the surface area of shapes such as cuboids, square based pyramids, cylinders, cones and spheres.
The lesson also shows a proof for the surface area formula of a cone. However for this students to understand this proof it is essential that they have already met arc length and area of a sector.
The lesson contains a number of worked examples.
The lesson also shows a proof for the surface area formula of a cone. However for this students to understand this proof it is essential that they have already met arc length and area of a sector.
The lesson contains a number of worked examples.
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