| 11. | For example 7.7 . 7 represents the heptagonal tiling which has 3 heptagons around each vertex.
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| 12. | Jazz p?ryska is also included along with the Jazz p?svenska album, released on Heptagon 1994.
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| 13. | For instance, the United Kingdom has made 50-pence coins in the shape of a Reuleaux heptagon.
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| 14. | In October 2016 ams acquired high end optical packaging leader Heptagon to become clear worldwide leader in optical sensing.
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| 15. | However, some geometrical constructions are not possible with those tools, including the heptagon and trisecting an angle.
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| 16. | There are two hexagons and one heptagon on each soccer ball ( truncated icosahedron ) with heptagons in place of pentagons.
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| 17. | There are two hexagons and one heptagon on each soccer ball ( truncated icosahedron ) with heptagons in place of pentagons.
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| 18. | Hand-built in the Netherlands, this trike uses a heptagon-shaped base so that all riders face each other.
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| 19. | It is the dual tessellation of the truncated triheptagonal tiling which has one square and one heptagon and one tetrakaidecagon at each vertex.
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| 20. | It can be interpreted as a surface with three handles tiled by 24 heptagons, with a cusp at the center of each face.
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