| 21. | The triangular cupola can form a tessellation of space with square pyramids and / or cuboctahedra can fill space.
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| 22. | The original cubic honeycomb walls are removed, joining pairs of square pyramids into elongated square bipyramids ( octahedron ).
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| 23. | It is a fairly extensive mountain, essentially a square pyramid with its summit at the centre of four ridges.
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| 24. | Imagine that a square pyramid is formed by lines joining four satellites with the receiver at the tip of the pyramid.
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| 25. | The elongated square pyramid can form a tessellation of space with tetrahedra, similar to a modified tetrahedral-octahedral honeycomb.
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| 26. | It can be seen as a cubic honeycomb with each cube subdivided by a center point into 6 elongated square pyramid cells.
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| 27. | A cubic pyramid of height zero can be seen as a cube divided into 6 square pyramids along with the center point.
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| 28. | Some types of NSOM operation utilize a campanile probe, which has a square pyramid shape with two facets coated with a metal.
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| 29. | It is therefore important in seeing how the structures in new lead oxyhalides ( containing square pyramids incorporated into sheets ) are arranged.
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| 30. | When unspecified, a pyramid is usually assumed to be a " regular " square pyramid, like the physical pyramid structures.
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