12.1 Vertical and Adjacent Angles

What are vertical angles?

• Angles that are adjacent to each other
• Angles that add up to 180°
• Angles that are opposite of each other when lines intersect
• Angles that add up to 90°

Tags

CCSS.7.G.B.5

Which are pairs of vertical angles?

• ∠COB & ∠COA
• ∠AOD & ∠AOC
• ∠COB & ∠AOD
• ∠BOD & ∠AOD

Tags

CCSS.7.G.B.5

Which are pairs of adjacent angles?

• ∠COB & ∠DOA
• ∠AOD & ∠AOC
• ∠COB & ∠AOD
• ∠BOD & ∠AOC

Tags

CCSS.7.G.B.5

If the measure of ∠2 is 83°, what is the measure of ∠3?

• 7°
• 17°
• 83°
• 97°

Tags

CCSS.7.G.B.5

If ∠COB is 124°, then what is ∠BOD? How are they related?

• 56°, they are adjacent
• 90°, they are right angles 
• 124°, they are vertical

Tags

CCSS.7.G.B.5

What angle pair is pictured?

• Alternate Interior Angles
• Supplementary Angles
• Vertical Angles
• Corresponding Angles

Tags

CCSS.7.G.B.5

Find the missing angle.  Find x.

• 15^o
• 50^o
• 130^o
• 165^o

Tags

CCSS.7.G.B.5

Find the missing angle.  Find x.

• 20^o
• 70^o
• 160^o
• 180^o

Tags

CCSS.7.G.B.5

Find the missing angle.  Find x.

• 15^o
• 50^o
• 130^o
• 165^o

Tags

CCSS.7.G.B.5

Find the missing angle.  Find x.

• 20^o
• 70^o
• 160^o
• 180^o

Tags

CCSS.7.G.B.5