ADV Angles and Triangles Flashcard

Front

What are the three angle measurements inside a triangle called?

Back

Interior angles.

Front

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

Back

180 degrees.

Front

What is the measure of angle ∠8 if it is given as 135 degrees?

Back

135 degrees.

Front

What is the measure of the missing angle if the other two angles are 50 degrees and 90 degrees?

Back

50 degrees.

Front

What is the relationship between two angles that are on the same side of a transversal and inside two parallel lines?

Back

Consecutive Interior angles.

Front

What is the relationship between two angles that are on opposite sides of a transversal and inside two parallel lines?

Back

Alternate Interior angles.

Front

What is the relationship between two angles that are on the same side of a transversal and outside two parallel lines?

Back

Consecutive Exterior angles.

Front

What is the relationship between two angles that are on opposite sides of a transversal and outside two parallel lines?

Back

Alternate Exterior angles.

Front

What are angles that are opposite each other when two lines intersect called?

Back

Vertical angles.

Front

If two angles are complementary, what is the sum of their measures?

Back

90 degrees.