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How many Johnson solids were named and described by the mathematicians Norman Johnson?
92
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How many Johnson solids were named and described by the mathematician Norman Johnson?
92
What mathematicians are credited with Platonic Solids?
Plato
Is a pentagonal pyramid a hexahedron or pentahedron?
In geometry, a pentagonal pyramid is a pyramid with a pentagonal base upon which are erected five triangular faces that meet at a point (the vertex). Like any pyramid, it is self-dual.The regular pentagonal pyramid has a base that is a regular pentagon and lateral faces that are equilateral triangles. It is one of the Johnson solids (J2). Its height H, from the midpoint of the pentagonal face to the apexIt can be seen as the "lid" of an icosahedron; the rest of the icosahedron forms a gyroelongated pentagonal pyramid, J11. The 92 Johnson solids were named and described by Norman Johnson in 1966.More generally an order-2 vertex-uniform pentagonal pyramid can be defined with a regular pentagonal base and 5 isosceles triangle sides of any height.
Who are the platonic solids named after?
they are named after plato, an ancient greek philosopher, who described them in one of his books
What property must a solid have to be a crystalline solid?
The specific property that distinguishes crystalline solids from other types of solids (other types would be described as amorphous solids) is that their constituent atoms are arranged in orderly geometrical patterns.
What property must a solid have to considered a crystalline solid?
The specific property that distinguishes crystalline solids from other types of solids (other types would be described as amorphous solids) is that their constituent atoms are arranged in orderly geometrical patterns.
What property must a solid have to be considered a crystalline solid?
The specific property that distinguishes crystalline solids from other types of solids (other types would be described as amorphous solids) is that their constituent atoms are arranged in orderly geometrical patterns.
What properties must a solid have to be considered a crystalline solid?
The specific property that distinguishes crystalline solids from other types of solids (other types would be described as amorphous solids) is that their constituent atoms are arranged in orderly geometrical patterns.
What has the author Clarence Everet Johnson written?
Clarence Everet Johnson has written: 'Adjustment of the ratio of fat to nonfat solids by means of nonfat dry milk in the manufacture of cheddar cheese from high fat content milk' -- subject(s): Cheddar cheese
What is diffrance between amorphous solids and crystalized solids?
Crystalline solids have a particular geometric organization of their atoms. Amorphous solids do not.
Are solutions all solids?
Not all solutes are solids.
What is usually described as the accumulation of suspended organic or inorganic materials in the water?
In water quality and hydrology, there are two related terms: Total Suspended Solids (TSS) - the measured solids held in water Sediment Load - the materials carried in moving water (consists of dissolved load and suspended load, separate from bed load)
