Vertical Angles and Linear Pairs

Front

What are vertical angles?

Back

Angles that are opposite of each other when lines intersect.

Tags

CCSS.7.G.B.5

Front

Which angles are pairs of vertical angles?

Back

∠COB & ∠AOD.

Tags

CCSS.7.G.B.5

Front

If m∠1 = 30°, what is m∠3?

Back

30°.

Tags

CCSS.7.G.B.5

Front

What is the measure of the missing angle if it is given that m∠1 = 30° and m∠2 = 50°?

Back

20°.

Tags

CCSS.7.G.B.5

Front

Are vertical angles always congruent?

Back

Yes, vertical angles are always congruent (equal measures).

Tags

CCSS.7.G.B.5

Front

What is a linear pair of angles?

Back

A pair of adjacent angles formed when two lines intersect, which are supplementary.

Tags

CCSS.7.G.B.5

Front

If two angles form a linear pair, what is the sum of their measures?

Back

The sum of their measures is 180°.

Tags

CCSS.7.G.B.5

Front

Can vertical angles be adjacent?

Back

No, vertical angles are never adjacent; they are opposite each other.

Tags

CCSS.7.G.B.5

Front

What is the relationship between vertical angles and linear pairs?

Back

Vertical angles are not linear pairs; linear pairs are adjacent and supplementary.

Tags

CCSS.7.G.B.5

Front

If m∠A = 40° and m∠B is a vertical angle to ∠A, what is m∠B?

Back

m∠B = 40°.

Tags

CCSS.7.G.B.5