fishsticks
There are several: hyperbolic, elliptic and projective are three geometries.
Answer The two commonly mentioned non-Euclidean geometries are hyperbolic geometry and elliptic geometry. If one takes "non-Euclidean geometry" to mean a geometry satisfying all of Euclid's postulates but the parallel postulate, these are the two possible geometries.
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The 2 types of non-Euclidean geometries are hyperbolic geometry and ellptic geometry.
Elliptic and Hyperbolic geometry.
There are several: hyperbolic, elliptic and projective are three geometries.
There are two non-Euclidean geometries: hyperbolic geometry and ellptic geometry.
Answer The two commonly mentioned non-Euclidean geometries are hyperbolic geometry and elliptic geometry. If one takes "non-Euclidean geometry" to mean a geometry satisfying all of Euclid's postulates but the parallel postulate, these are the two possible geometries.
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Objet Geometries was created in 1999.
Hyperbolic, elliptic, projective are three possible answers.
Five and six coordinate geometries are special because of the number of valence electrons. Five coordinate geometries have ten valence electrons while six coordinate geometries have six.
Polar geometries, also known as polar coordinate systems, are characterized by points defined by a distance from a reference point (the origin) and an angle from a reference direction. Common examples include circular geometries, where distances and angles describe points on a circle, and spherical geometries, which extend this concept to three dimensions. In polar geometry, the relationships between points can often be expressed in terms of radius and angle, making it useful for modeling phenomena with radial symmetry.
A Plane triangle cannot have parallel sides. A triangle on a sphere, represented in Mercator projection may do so, but that still does not make it so, for that is in spherical geometry. And there are other geometries than Euclidean (plane). Hyperbolic Geometry and Elliptic Geometry are the names of another two. These geometries are consistent within themselves, but some of the theorems in Euclidean geometry have different answers in these alternate geometries.
Raymond Ching-Chung Luh has written: 'Surface grid generation for complex three-dimensional geometries' -- subject(s): Finite geometries, Fluid mechanics, Numerical grid generation (Numerical analysis)
Trigonal planar and tetrahedrral geometries tend to be present in polar molecules.
The 2 types of non-Euclidean geometries are hyperbolic geometry and ellptic geometry.