Angle Relationships and Finding Missing Angles

Front

When angles are congruent, they are____________

Back

equal

Front

Find m∠D if m∠D + m∠C = 180° and m∠C = 116°.

Back

m∠D = 64°

Front

line m and line n are_____________________

Back

parallel lines

Front

What is the relationship of the Angles formed by two parallel lines cut by a transversal?

Back

Alternate Interior

Front

Name the corresponding angle to angle 4.

Back

angle 8

Front

What are complementary angles?

Back

Two angles that add up to 90°.

Front

What are supplementary angles?

Back

Two angles that add up to 180°.

Front

What is the definition of vertical angles?

Back

Angles that are opposite each other when two lines intersect.

Front

If two angles are complementary and one angle measures 30°, what is the measure of the other angle?

Back

60°

Front

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

Back

180°