Angle Relationships

Front

What are alternate interior angles?

Back

Angles that lie between two parallel lines and on opposite sides of a transversal.

Tags

CCSS.8.G.A.5

Front

What are vertical angles?

Back

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

Tags

CCSS.7.G.B.5

Front

What are complementary angles?

Back

Two angles that add up to 90°.

Tags

CCSS.7.G.B.5

Front

What are supplementary angles?

Back

Two angles that add up to 180°.

Tags

CCSS.7.G.B.5

Front

What is a transversal?

Back

A line that intersects two or more lines at different points.

Tags

CCSS.8.G.A.5

Front

If two parallel lines are cut by a transversal, what can be said about the corresponding angles?

Back

Corresponding angles are equal.

Tags

CCSS.8.G.A.5

Front

If ∠1 and ∠2 are supplementary, and ∠1 = 70°, what is ∠2?

Back

∠2 = 110°.

Tags

CCSS.7.G.B.5

Front

What is the sum of the angles in a triangle?

Back

The sum of the angles in a triangle is always 180°.

Tags

CCSS.8.G.A.5

Front

If two angles are vertical angles, what can be said about their measures?

Back

They are equal.

Tags

CCSS.7.G.B.5

Front

What is the relationship between interior angles on the same side of a transversal?

Back

They are supplementary.

Tags

CCSS.8.G.A.5