Angle Relationships

Front

What is the sum of the interior angles of a triangle?

Back

180 degrees

Front

If angle A is 40 degrees, what is the measure of its complementary angle?

Back

50 degrees

Front

What do you call two angles that add up to 90 degrees?

Back

Complementary angles

Front

What do you call two angles that add up to 180 degrees?

Back

Supplementary angles

Front

If angle 1 = 30 degrees and angle 2 = 150 degrees, are they supplementary?

Back

Yes, they add up to 180 degrees.

Front

What is the measure of each angle in an equilateral triangle?

Back

60 degrees

Front

If angle B measures 120 degrees, what is the measure of its vertical angle?

Back

120 degrees

Front

What is the relationship between alternate interior angles when two parallel lines are cut by a transversal?

Back

They are equal.

Front

If angle 3 = 75 degrees, what is the measure of angle 4 if they are corresponding angles?

Back

75 degrees

Front

What is the measure of an exterior angle of a triangle if the two remote interior angles are 50 degrees and 60 degrees?

Back

110 degrees