# Geometry Definitons

 The flashcards below were created by user mathlover1 on FreezingBlue Flashcards. Point: Exact locationOrdered pair of coordinates Parallel lines two coplanar lines that either have no points in common or are identical Distance absolute value of the difference of two coordinates Convex set: set in which all segments connecting points of the set lie entirely in the set counterexample: situation where the antecedent (if part) is true but the consequent (then part) is false Converse: converse of P -->Q is Q -->P Midpoint: point on segment AB where AM = AB Circle: set of all points in a plane a certain distance (radius) from a certain point (center) Union: Intersection: AUB, is the set of elements which are either in A or in B or in both A and BAnB, set of elements which are in both A and B Polygon: union of three or more segments in the same plane such that each segment intersects exactly two others @ their endpoints Angle: union of two rays that have the same endpoint Zero: Acute: Right: Obtuse: Straight: if and only if m=0o" " 0