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14 Cards in this Set

  • Front
  • Back
a line that intersects two coplanar lines in two different points
alternate exterior angles
two nonadjacent exterior angles on opposite sides of the transversal
same-side interior angles
two interior angles on the same side of the transversal
convex polygon
a polygon whose exterior angles measure 360 and whose diagonals all lie in the interior of the polygon
parallel planes
planes that do not intersect
alternate interior angles
two nonadjacent interior angles on opposite sides of the transversal
skew lines
lines that are not coplanar and do not intersect
auxiliary line
a line added to a figure, often used to help prove a proof
regular polygon
a polygon that is both quilateral and equiangular
remote interior angles
the two angles of the triangle that are not adjacent to the exterior angle
diagonal of a polygon
a segment joining two nonconsecutive vertices
corresponding angles
two nonadjacent angles on the same side of the transversal such that one is an exterior angle and the other is an interior angle
exterior angle of a triangle
forms a linear pair with the adjacent interior angle of the triangle
parrallel lines
coplanar lines that do not intersect