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GS Ch.1 Points,lines

GS - Geometry H.- Ch.1 - Points, lines, and planes

QuestionAnswer
Equidisant Objects the same distance from each other.
Point A location in space that has no dimension
A Line Infinite set of points that extend in opposite directions. A line has one dimension (length).
A Plane An infinite set of points that creates a flat surface that is without end. A plane has two dimensions (length and width)
Space The set of all points.
Collinear Points on the same line.
Noncollinear Points not on the same line.
Coplanar Points on the same plane.
Noncoplanar Points not in the same plane.
Intersection The place where geometric figures cross each other.
Segment Named by giving its endpoints.
Ray Named by giving its endpoint and another point on the line with one arrow.
Lenth The distance between two points.
Congruent Two objects that have the same size and shape.
Midpoint of a segment A point that divides a segment into two congruent segments.
Bisector of a segment A segment bisector is a line, segment, ray, or plane that intersects a segment at its midpoint.
Angle A figure formed by two rays with the same endpoint
Measure of an angle A protractor, or computing the absolute value of the difference of these numbers can be used to find the ...
Acute 0 < m
Obtuse 90 < m
Right m
Straight m
Congruent angles Two angles with equal measures.
Bisector of an angle The ray that divides an angle into two congruent angles.
Adjacent angles Coplanar angles with a common vertex nand a common side but no common interior points.
Postulate A basic assumption accepted without proof.
Theorem A statement that can be proved using postulates, definitions, and previously proved theorems.
Exists There is at least one.
Unique Exactly one.
Determine To define or specify.
Created by: MrGman
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