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### 21 Cards in this Set

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 Obtuse angle greater than 90degrees but less than 180 degrees. Triangles 3 Sides 3 Angles Congruent Angles Same Mesures. Vertical A line that goes up and down. Point A point has no size or location Line A line continues without end in the opposite direction. Segment A segment is a part of a line-it has 2 ends Plane A plane is a flat surface extends inefinitely in 4 directions. Horizontal A line that goes side to side Transversal A line intersecting 2 paralle lines creating 8 angles ** Inerior Angles ** Exterior Angle Collinear A line can be drawen through a set of points Straight Angle 180 degrees Supplemtary Angle 2 angles whose mersurs add up to be 180 degrees. Noncollinear No line can be drawen through a set of points. Ray A ray is another part of a line- it has only 1 end point and other sides keep going. Skew lines They do not lie in the same plan, they are not paralle, nor do they intersect. Paralle lines/ segments They lie in the same plane. Acute Angle less than 90 degrees. Angle An angle is made up of 2 rays witha common end point. Right Angle 90 degrees. Complementary angles 2 angles whose measuse adds up to be 90 degrees.