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

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

• 7°
• 17°
• 83°
• 97°

Tags

CCSS.7.G.B.5

What is the measure of x?

• 60°, complementary
• 60°, supplementary
• 120°, vertical
• 120°, adjacent

Tags

CCSS.7.G.B.5

Name the vertical angle to
∠h.

• ∠f
• ∠i
• ∠g
• ∠j

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

Vertical angles are always

• acute
• total 180 degrees
• congruent (equal measures)
• adjacent angles

Tags

CCSS.7.G.B.5

What is the value of x?

• 37
• 72
• 108
• 18

Tags

CCSS.7.G.B.5

What does it mean if two angles are adjacent?

• They share a side and a vertex, but don't overlap
• They are opposite each other across an intersection of two lines
• They share only a vertex, not a side
• none of the above

Tags

CCSS.7.G.B.5