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प्रश्न
Look at the solids, drawn below, and fill the given chart.
(i)
Triangular pyramid
(ii)
Square pyramid
(iv)
Hexagonal
| Polyhedon | Faces(F) | Vertices(V) | Edges(E) | F - E + V |
| (a) Triangular pyramid | ||||
| (b) Square pyramid | ||||
| (c) Hexahedron | ||||
| (d) Hexagonal prism |
तक्ता
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उत्तर
| Polyhedon | Faces(F) | Vertices(V) | Edges(E) | F - E + V |
| (a) Triangular pyramid | 4 | 4 | 6 | 2 |
| (b) Square pyramid | 5 | 5 | 8 | 2 |
| (c) Hexahedron | 8 | 6 | 12 | 2 |
| (d) Hexagonal prism | 8 | 12 | 18 | 2 |
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Concept of Recognition of Solids
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