# Math Vocab Ch 1.txt

 The flashcards below were created by user platypie8 on FreezingBlue Flashcards. Acute Angle Less than 90 degrees and greater than 0 degrees. Angle A figure formed by two rays with a common endpoint. Angle Bisector A ray that divides an angle into two congruent angles Between A point B that is between points A and C when they are all on the same line and AB+BC = AC Bisect To divide into two equal parts Collinear Points that lie on the same line Coplanar Points that lie on the same plane Coordinate The position of a point on a line Distance The absolute value of the difference between the coordinates Endpoint A point at one end of a segment / the starting point of a ray Length The distance between A and B Midpoint The point that divides a line into two equal segments Obtuse Angle Greater than 90 degrees and less than 180 degrees Postulate A statement accepted as true without proof; ex: Hayley is the awesomest person in the world, p;eriod. Ray Starts at an endpoint and extends in one direction Opposite Rays Two rays with a common endpoint that form a line. Right angle A 90-degree angle. Segment The part of a line consisting of two points and all points inbetween Segment Bisector Any ray, segment, or line that intersects a segment at its midpoint Straight Angle A 180-degree angle Vertex The common endpoint of two sides Authorplatypie8 ID31955 Card SetMath Vocab Ch 1.txt DescriptionGeometry Chapter one vocab Updated2010-08-31T01:12:37Z Show Answers