one angle above and below with one line between
what is corresponding angles?
a point that divides a segment in two
what is the midpoint of a line segment?
points that lie on the same line
what are collinear points?
angles between the parallel lines
what are alternate interior angles?
angles next to each other
what are adjacent angles?
a measure whose measure is 180 (straight lines form straight lines)
what are straight angles?
angles above and below outside the parallel lines
what are alternate exterior angles?
two angles that add up to 180
what are supplementary angles?
points that lie in the same plane
what are coplanar points ?
2 interior angles on the same side of transvesral
what are same-side interior angles?
angles that have a sum of 90
what are complementary angles?
non-coplanar lines
what are skew lines
a pair opposite congruent angles formed by intersecting lines
what are vertical angles?
ray that divides a angle in two
what is a angle bisector?
a measure whose measure is between 180 and 360
what is an reflex angle?