Mammoth Memory

Surface area pyramid

The surface area of any shape can be found by adding together the surface areas of its parts.


Taking apart a pyramid makes 1 square base and 4 triangle sides

If you always imagine pulling apart the pyramid and drawing it out you can clearly see one rectangle and four triangles.



Surface area of a triangulated pyramid can be treated in a similar way:

There are 4 triangles in a triangulated pyramid 


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