Angle Relationships

Front

What are adjacent angles?

Back

Adjacent angles are two angles that share a common vertex and a common side, but do not overlap.

Tags

CCSS.7.G.B.5

Front

What are complementary angles?

Back

Complementary angles are two angles whose measures add up to 90 degrees.

Tags

CCSS.7.G.B.5

Front

What are supplementary angles?

Back

Supplementary angles are two angles whose measures add up to 180 degrees.

Tags

CCSS.7.G.B.5

Front

What are vertical angles?

Back

Vertical angles are the angles opposite each other when two lines intersect. They are always equal.

Tags

CCSS.7.G.B.5

Front

What are alternate interior angles?

Back

Alternate interior angles are pairs of angles that are on opposite sides of a transversal and inside the two lines.

Tags

CCSS.8.G.A.5

Front

What are corresponding angles?

Back

Corresponding angles are pairs of angles that are in the same position on two parallel lines in relation to a transversal.

Tags

CCSS.8.G.A.5

Front

What are alternate exterior angles?

Back

Alternate exterior angles are pairs of angles that are on opposite sides of a transversal and outside the two lines.

Tags

CCSS.8.G.A.5

Front

How do you identify complementary angles in a diagram?

Back

Look for two angles that add up to 90 degrees, often indicated by a right angle symbol.

Tags

CCSS.7.G.B.5

Front

How do you identify supplementary angles in a diagram?

Back

Look for two angles that add up to 180 degrees, often forming a straight line.

Tags

CCSS.7.G.B.5

Front

What is the relationship between vertical angles?

Back

Vertical angles are always equal in measure.

Tags

CCSS.7.G.B.5