Angle relationships

• 100°
• 80°
• 90°
• 180°

Tags

CCSS.7.G.B.5

• 100°
• 80°
• 90°
• 180°

Tags

CCSS.HSG.CO.C.9

• 100°
• 80°
• 90°
• 180°

Tags

CCSS.HSG.CO.C.9

What are complementary angles?

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

Tags

CCSS.HSG.CO.A.1

CCSS.HSG.SRT.C.7

What are supplementary angles?

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

Tags

CCSS.7.G.B.5

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.HSG.CO.C.9

If angle ∠ABD is 67°. What is ∠DBC?

• 180°
• 90°
• 67°
• 23°

Tags

CCSS.7.G.B.5

Which are pairs of vertical angles?

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

Tags

CCSS.HSG.CO.A.1

CCSS.HSG.CO.C.9

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

• 56°, they are supplementary
• 90°, they are complementary
• 124°, they are vertical

Tags

CCSS.HSG.CO.A.1

CCSS.HSG.CO.C.9

Find the value of x

• -5
• 28
• 19
• -3

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3