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Complementary Angles
Supplementary
Angles
Angles Definition
Angles/Transversal Definition
100
The complement to a 20 degrees angle.
70 degrees
100
The supplement to a 30 degrees angle.
150 degrees
100
What is an angle that measures less than 90 degrees.
an acute angle
100
A line that crosses parallel lines.
transversal?
200
The complement to a 65 degrees angle.
25 degrees
200
The supplement to a 45 degrees angle.
135 degrees
200
What is an angle greater than 90 degrees, but less than 180 degrees.
obtuse angle
200
The angles across or opposite from each other when two lines intersect.
vertical angles
300
The complement a 73 degrees angle.
17 degrees
300
The supplement to a 109 degrees angle.
71 degrees
300
What is an angle measuring exactly 180 degrees.
straight angle
300
Two congruent angles that are on the same side of the transversal and below the lines.
corresponding angles
400
The complement to an angle with 5 degrees, is this.
85 degrees
400
The supplement to an angle with 15 degrees?
165
400
What is an angle measuring exactly 90 degrees.
right angle
400
Two congruent angles that are on opposite sides of the transversal and inside the lines.
alternate interior angles
500
The complement to an angle with 20 degrees is
70
500
The supplement to an angle with 130degrees.
50 degrees
500
Two angles that add up to 180 degrees.
supplementary angles
500
Two angles that are on opposite sides of the transversal and outside of the lines have the sum of 120 degrees.
alternate exterior angles