Angle Relationships

Front

What are complementary angles?

Back

Two angles that add up to 90 degrees.

Tags

CCSS.7.G.B.5

Front

What are supplementary angles?

Back

Two angles that add up to 180 degrees.

Tags

CCSS.7.G.B.5

Front

What are vertical angles?

Back

Angles that are opposite each other when two lines intersect; they are equal.

Tags

CCSS.7.G.B.5

Front

What are adjacent angles?

Back

Two angles that share a common side and a common vertex.

Tags

CCSS.7.G.B.5

Front

What are alternate interior angles?

Back

Angles that are on opposite sides of a transversal and inside the two lines; they are equal.

Tags

CCSS.8.G.A.5

Front

What are corresponding angles?

Back

Angles that are in the same position on two parallel lines in relation to a transversal; they are equal.

Tags

CCSS.8.G.A.5

Front

What are alternate exterior angles?

Back

Angles that are on opposite sides of a transversal and outside the two lines; they are equal.

Tags

CCSS.8.G.A.5

Front

How do you identify complementary angles in a diagram?

Back

Look for two angles that together form a right angle (90 degrees).

Tags

CCSS.7.G.B.5

Front

How do you identify supplementary angles in a diagram?

Back

Look for two angles that together form a straight line (180 degrees).

Tags

CCSS.7.G.B.5

Front

What is the relationship between vertical angles?

Back

Vertical angles are always equal.

Tags

CCSS.7.G.B.5