## Viewing Geometry topics

The following topics are immediate sub-topics of Geometry.

• #### Term: Axis

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• Definition: (ofa c lind ) th lin Y er, e e segment : connecting the centers of the bases
• #### Term: Center Of Curvature

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• Listed under: ... >> Mathematics >> Geometry
• Definition: the center of the circle whose center lies on the concave side of a curve on the normal to a given point of the curve and whose radius is equal to the radius of curvature at that point.
• #### Term: Concave

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• Listed under: ... >> Mathematics >> Geometry
• Definition: Of a surface, curving inwards, or away from the eye. For example, a bowl appears concave when viewed from above. In geometry, a concave polygon is one that has an interior angle greater than 180 de...
• #### Term: Concurrent

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• Definition: Having a common point. Concurrent lines, for example, are lines that all pass through a certain point.
• #### Term: Convex

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• Definition: Of a surface, curving outwards, or towards the eye. For example, the outer surface of a ball appears convex. In geometry, the term is used to describe any polygon possessing no interior angle great...
• #### Term: Coordinates

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• Listed under: ... >> Mathematics >> Geometry
• Definition: Any of a set of two or more numbers used to determine the position of a point, line, curve, or plane in a space of a given dimension with respect to a system of lines or other fixed references.
• #### Term: Diagonal

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• Definition: a lin e segment connecting two : nonconsecutive vertices of a I : polygon or polyhedron.
• #### Term: Focal Point

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• Listed under: ... >> Mathematics >> Geometry
• Definition: 1. Also called: principal focus, focus. the point on the axis of a lens or mirror to which parallel rays of light converge or from which they appear to diverge after refraction or reflection. 2. a...
• #### Term: Horizontal

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