Angles and Angle Relationships

Front

What is the definition of vertical angles?

Back

Angles that share a vertex and are across from each other (not adjacent) and they are congruent.

Front

If the m<MRT equals 133 degrees, what is the m<MRN?

Back

46 degrees.

Front

What is an example of a pair of complementary angles?

Back

81° and 9°.

Front

What is the relationship of the angles a and c below?

Back

Vertical.

Front

Find the value of x if x + 45 = 90.

Back

45.

Front

What are complementary angles?

Back

Two angles whose measures add up to 90 degrees.

Front

What are supplementary angles?

Back

Two angles whose measures add up to 180 degrees.

Front

What is the definition of corresponding angles?

Back

Angles that are in the same position on different parallel lines cut by a transversal.

Front

If two angles are vertical, what can we say about their measures?

Back

They are congruent.

Front

What is the sum of the angles in a triangle?

Back

180 degrees.