<Table> <Tr> <Th_colspan="2"> Hexagonal pyramid </Th> </Tr> <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Th> Type </Th> <Td> Pyramid </Td> </Tr> <Tr> <Th> Faces </Th> <Td> 6 triangles 1 hexagon </Td> </Tr> <Tr> <Th> Edges </Th> <Td> 12 </Td> </Tr> <Tr> <Th> Vertices </Th> <Td> 7 </Td> </Tr> <Tr> <Th> Vertex configuration </Th> <Td> 6 (3. 6) (3) </Td> </Tr> <Tr> <Th> Schläfli symbol </Th> <Td> () ∨ (6) </Td> </Tr> <Tr> <Th> Symmetry group </Th> <Td> C, (6), (* 66) </Td> </Tr> <Tr> <Th> Rotation group </Th> <Td> C, (6), (66) </Td> </Tr> <Tr> <Th> Dual polyhedron </Th> <Td> Self - dual </Td> </Tr> <Tr> <Th> Properties </Th> <Td> Convex </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Hexagonal pyramid </Th> </Tr>

How many surfaces does a hexagonal pyramid have
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