Tuesday, 19 January 2010

Prism and Pyramid

PRISM
A prism has 5 faces.They are:2 big rectangular faces,1 small rectangular face
and 2 triangular faces.It is a space figure with two congruent, parallel bases that are polygons.A solid having bases or ends that are parallel, congruent polygons and sides that are parallelograms.
PYRAMID
It is a space figure with a square base and 4 triangle-shaped sides. A solid figure with a polygonal base and triangular faces that meet at a common point.Something shaped like this polyhedron.

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