Angles & Triangles Review

Define Obtuse Angle

• Less than 90

• Exactly 90

• Greater than 90 and less than 180

• Exactly 180

Tags

CCSS.4.G.A.1

Define Acute Angle

• Less than 90

• Exactly 90

• Greater than 90 and less than 180

• Exactly 180

Tags

CCSS.4.G.A.1

Define Right Angle

• Less than 90
• Exactly 90
• Greater than 90 and less than 180
• Exactly 180

Tags

CCSS.4.G.A.1

Define Straight Angle

• Less than 90

• Exactly 90

• Greater than 90 and less than 180

• Exactly 180

Vertical angles are always

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

Right, acute, or obtuse?

• Acute
• Right
• Obtuse

Tags

CCSS.4.G.A.1

Right, acute, or obtuse?

• Right
• Acute
• Obtuse

Tags

CCSS.4.G.A.1

Which are pairs of adjacent angles?

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

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

Find the measure of the missing angle.

• 45 degrees
• 135 degrees
• 90 degrees
• 50 degrees