G 2-6 Proving Angles Congruent

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

Which are pairs of vertical angles?

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

Tags

CCSS.7.G.B.5

Find the missing angle.  Find x.

• 20^o
• 70^o
• 160^o
• 180^o

Tags

CCSS.HSG.CO.A.1

CCSS.HSG.CO.C.9

Find m∠3. ∠2 and ∠3 are complementary. ∠1≅ ∠4 and m∠2 = 28.

• 62°

• 45°

• 28°

• 72°

Tags

CCSS.8.G.A.5

Find m∠1. ∠2 and ∠3 are complementary. ∠1≅ ∠4 and m∠2 = 28.

• 62°

• 45°

• 28°

• 72°

Tags

CCSS.7.G.B.5

Find m∠12 if m∠11 = 11x and m∠13 = 10x + 12. Then determine which theorem justifies your work.

• 92°, Supplement Theorem

• 92°, Vertical Angles Theorem

• 88°, Supplement Theorem

• 88°, Vertical Angles Theorem

Find m∠13 if m∠11 = 11x and m∠13 = 10x + 12. Then determine which theorem justifies your work.

• 92°, Supplement Theorem

• 92°, Vertical Angles Theorem

• 88°, Supplement Theorem

• 88°, Vertical Angles Theorem

Tags

CCSS.HSG.CO.C.9

 $m\angle2=34\degree$ 

Find  $m\angle3$ and state the theorem used

•  $m\angle3=56\degree$  Supplement Theorem

•  $m\angle3=66\degree$  Supplement Theorem

•  $m\angle3=56\degree$  Complement Theorem

•  $m\angle3=66\degree$  Complement Theorem

Tags

CCSS.7.G.B.5

Find the value of x.

• 52
• 63
• 53
• 58

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3

Find the value of x.

• 19
• 15
• 14
• 11

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3