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21 Cards in this Set

  • Front
  • Back
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.