Two angles whose measures equal 180 degrees when added.
What are supplementary angles?
100
This angle measure is 138 degrees.
What is angle 1, angle 3, angle 4, or angle 7?
100
This is the measure of the third angle in a triangle with one angle measuring 32 degrees and the second angle measuring 48 degrees.
What is 100 degrees?
100
This is the sum of the interior angles of a pentagon.
What is 540 degrees?
200
A pair of opposite angles that share a vertex.
What are vertical angles?
200
This angle is supplementary to angle 7.
What is angle 5, angle 6, angle 2, or the 42 degree angle?
200
This is the measure of the third angle in a triangle if one angle measures (x - 35) degrees and the second angle measures 43 degrees.
What is 86 degrees?
200
This is the measure of one interior angle of a quadrilateral if three of its angle's measures are 115 degrees, 80 degrees, and 90 degrees.
What is 75 degrees?
300
A polygon having all congruent sides and all congruent interior angles.
What is a regular polygon?
300
This angle corresponds with angle 2.
What is angle 6?
300
This is one measure of a triangle's exterior angle if the opposite angles measure 36 and 72 degrees.
What is 108 degrees?
300
This is the measure of one interior angle in a regular hexagon.
What is 120 degrees?
400
The pairs of angles on opposite sides of the transversal but inside the two parallel lines.
What are alternate interior angles?
400
These angles are alternate interior angles.
What are angles 2 and 5, or angles 3 and 4?
400
This is one measure of a triangle's exterior angle if the opposite angles measure (x + 65) degrees and 25 degrees.
What is 110 degrees?
400
This is the measure of z if a triangle's exterior angles are z degrees, 124 degrees, and (z + 26) degrees.
What is 105 degrees?
500
The pairs of angles on opposite sides of the transversal but outside the two parallel lines.
What are alternate exterior angles?
500
This angle is supplementary with angle 5 but corresponds with angle 4.
What is angle 1?
500
When one measure of a triangle's exterior angle is represented by (4n-20), this is its measure when the opposite angles measure (2n + 20) degrees and n degrees.
What is 140 degrees?
500
This is the measure of the exterior angles in a pentagon given that three of the exterior angles are 90 degrees.
What is 45 degrees?
500
This is needed to determine if two triangles are similar.