Subject Enrichment Activity

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Across
  1. 1. It is the another name of polyhedrons
  2. 5. the number of faces,vertices and edges are related by it
  3. 7. It is The point where three or more faces meet
  4. 9. all faces of polyhedrons are ______ regular polygons
  5. 10. these are the lateral faces of Prisms
Down
  1. 2. these are lateral faces of pyramids
  2. 3. each face of hexahedron
  3. 4. it is the another name of triangular pyramid
  4. 6. a pentagonal pyramid can be constructed using va pentagon and _____triangles with one side equal to side of pentagon
  5. 8. the no.of vertices of pentagonal prism having 15 edges and 7 faces