Pyramid
There is two types of pyramid.the first type has 4 faces and all the faces are triangles.The second type of pyramid has 5 faces and 4 of the faces are triangle the other one is a square or a rectangle.
Prism
There are also two types of prism the first one has 5 faces ,three of them are rectangle and the other two are triangles the second type of prism has 6 faces ,4 of them are rectangles and the other two are parallelogram.
Tuesday, 19 January 2010
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