Angles Vocabulary

sum equals $180\degree$ .

are considered opposite angles.

are adjacent angles.

sum equals $90\degree$ .

angles that are next to each other in the interior of parallel lines.

angles that are on the outside of the parallel lines.

interior angles found on opposite sides of the transversal.

exterior angles found on opposite sides of the transversal.

when two lines intersect, they form two pairs of “opposite” angles

when two angles in a plane have the same vertex, share a common side, and do not overlap.

when the sum of the measures of two angles are 90 degrees.

when the angles are one on top of another.

have different angle measures.

have the same angle measures.

exist.

"opposite” angles

two angles in a plane have the same vertex, share a common side, and do not overlap.

nonadjacent exterior angles found on opposite sides of the transversal.

angles that have the same position on two different parallel lines cut by a transversal.

they are adjacent.

they have the same angle measures.

the sum of the measures of two angles are 180°.

the sum of the measures of two angles are 90°.

corresponding angles.

adjacent angles.

alternate exterior angles.

alternate interior angles.

alternate interior angles.

corresponding angles.

adjacent angles.

complementary angles.

is a line that is apart of a set of parallel lines.

is a line that cuts through a set of parallel lines.

have a meeting point.

never touch.

do not exist.

are the same as perpendicular lines.