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| One of the hardest section in geometry is drawing the faces of a solid figure on plane and in this section we will show you how to build these shapes and how to draw the faces of that shapes on plane. |
| Definition : The polyhedron is a solid bounded by plane polygons .The bounding polygons are the faces , the intersection of the edges, and the points where three or more edges intersect are the the vertices of a polyhedron. |
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| Notation: In each three prism the height are equal and if all of them has equal polygon faces then the volume all will be equal although the shapes are not the same. But the areas will be different because of its lateral faces which have different figure. |
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Polyhedrons:
Right Prism, Diagonal Prism