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4 Cards in this Set
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undefined terms
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Undefined terms are the most basic figures used in geometry, which cannot be defined by using other figures. The 3 undefined terms in geometry are point, line, and plane.They are the building blocks of geometry--all other terms are defined using them. (6)
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point
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Point is the first undefined term used in geometry. A point names a location and has no size. A point is represented by a dot and named with a capital letter. (6)
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line
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A line is the second undefined term used in geometry. A line is a straight path that has no thickness and extends forever (infinitely). A line is named either by a lowercase letter or two points on the line. (6)
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plane
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A plane is the third undefined term used in geometry. A plane is a flat surface that has no thickness and extends forever . A plane is named by a script capital letter or three points not on a line.
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