Vertical Angles

Front

What are vertical angles?

Back

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

Tags

CCSS.7.G.B.5

Front

If two lines intersect, how many pairs of vertical angles are formed?

Back

Two pairs of vertical angles are formed when two lines intersect.

Tags

CCSS.8.G.A.5

Front

What is the relationship between vertical angles?

Back

Vertical angles are congruent, meaning they have the same measure.

Tags

CCSS.7.G.B.5

Front

If m∠1 = 60°, what is m∠2 if ∠1 and ∠2 are vertical angles?

Back

m∠2 = 60°.

Tags

CCSS.7.G.B.5

Front

What is the measure of vertical angles if one angle measures 45°?

Back

The other vertical angle also measures 45°.

Tags

CCSS.7.G.B.5

Front

Name the angle formed by lines AB and CD in long form if they intersect at point E.

Back

∠ABE or ∠CED (depending on the specific angles being referred to).

Front

If m∠A = 30°, what is m∠B if ∠A and ∠B are vertical angles?

Back

m∠B = 30°.

Tags

CCSS.7.G.B.5

Front

What is the sum of the measures of two adjacent angles formed by intersecting lines?

Back

The sum of the measures of two adjacent angles is 180°.

Tags

CCSS.7.G.B.5

Front

If m∠3 = 120°, what is m∠4 if ∠3 and ∠4 are vertical angles?

Back

m∠4 = 120°.

Tags

CCSS.7.G.B.5

Front

How do you identify vertical angles in a diagram?

Back

Vertical angles are located across from each other at the intersection of two lines.

Tags

CCSS.8.G.A.5