Exploring Angle Pairs in Geometry

Exploring Angle Pairs

The notes that you took during class are included in the lesson. Do your best!

Multiple Select

Which are pairs of adjacent angles? Select all that apply.

• ∠COB & ∠DOA

• ∠AOD & ∠AOC

• ∠COB & ∠AOD

• ∠BOD & ∠AOD

• ∠COB & ∠COA

Multiple Select

Which angles are adjacent with $$\angle8$$  ?
 (mark all that apply)

• $$\angle1$$  

• $$\angle6$$  

• $$\angle7$$  

• $$\angle5$$  

• $$\angle9$$  

Multiple Choice

What type of angles are these?

• Adjacent Angles

• Linear Pair

• Complementary Angles

• Supplementary Angles

• Vertical Angles

Multiple Choice

Which are pairs of vertical angles?

• ∠COB & ∠COA

• ∠AOD & ∠AOC

• ∠COB & ∠AOD

• ∠BOD & ∠AOD

Multiple Choice

If m∠1 = 30°, then m∠3 =

• 30°

• 60°

• 150°

• undetermined

Multiple Choice

Which angle is a vertical angle to with $$\angle7$$  ?

• $$\angle1$$  

• $$\angle5$$  

• $$\angle3$$  

• $$\angle6$$  

• $$\angle9$$  

Multiple Choice

Which angles are vertical angles?

• $$\angle8\ \&\ \angle7$$

• $$\angle8\ \&\ \angle6$$

• $$\angle8\ \&\ \angle5$$

Multiple Choice

Which of the following angles is  $$90\degree$$  ?

• $$\angle FGH$$  

• $$\angle KJL$$  

• $$\angle PJK$$  

• $$\angle EGH$$  

Multiple Choice

Which angle is complementary to $$\angle LJM$$  

• $$\angle MJN$$  

• $$\angle NJP$$  

• $$\angle FGE$$  

• $$\angle LJK$$  

Fill in the Blank

Complementary angles always add up to

Multiple Choice

Find the missing angle.

• 53

• 67

• 77

• 43

Multiple Choice

Find the missing angle.

• 72

• 68

• 90

• 78

Multiple Choice

How are these angles related?

• Vertrical

• Complementary

• Adjacent

• Supplementary

Fill in the Blank

Supplementary angles always add up to

Multiple Choice

What term is used to describe a pair, or group, of angles that equal 180 degrees?

• Supplementary Angles

• Complementary Angles

• Vertical Angles

• Congruent Angles

Multiple Choice

What is the value of "a"?

• 75°

• 65°

• 55°

• 85°

Multiple Select

What kind of angles are these? (Choose all that apply)

• complementary

• supplementary

• right

• linear pair

Multiple Choice

Find the m∠3

• 28

• 152

• 180

• 62

Multiple Choice

A straight line equals...

• 45 degrees

• 90 degrees

• 180 degrees

• 360 degrees

Multiple Choice

Name a pair of angles that form a linear pair.

• Angles 1 and 2

• Angles 2 and 4

• Angles 5 and 8

• Angles 9 and 10

Multiple Choice

• m∠GHK=26, m∠KHJ=26

• m∠GHK=26, m∠KHJ=52

• m∠GHK=52, m∠KHJ=52

• m∠GHK=52, m∠KHJ=26

Multiple Choice

Angle JHG measures 161.

• m∠GHK=80.5,

  m∠KHJ=161

• m∠GHK=161,

  m∠KHJ=80.5

• m∠GHK=80.5,

  m∠KHJ=80.5

• m∠GHK=161,

  m∠KHJ=161

Mixed Practice Time!

Multiple Choice

Find x

• 53

• 90

• 37

• 27

Multiple Choice

Name a linear pair in this picture.

• $$\angle1+\angle2=180$$

• $$\angle4+\angle2=180$$

• $$\angle3+\angle4=180$$

Multiple Choice

Linear pairs.....

• add up to 180 degrees

• are equal to each other

• are opposite of each other

Multiple Choice

What does the word bisect mean?

• to double in size

• to cut in half and make 2 equal pieces

• to cut an insect

Multiple Choice

What is the difference between a linear pair and supplementary angles?

• Nothing, they are the same

• Linear pairs add to 180 degrees, Supplementary angles add to 90 degrees

• Linear pairs are adjacent angles, supplementary angles just add to 180 degrees

• Supplementary angles are adjacent, linear pairs just add to 180 degrees

Multiple Choice

Name a pair of complementary angles.

• <LCP & <LCT

• <LR & <TP

• <LCN & <NCP

• <LCN & <NCR

Multiple Choice

Name the angle pair.

• Complementary

• Supplementary

• Adjacent

• Vertical

Multiple Choice

Choose the BEST name to classify ∠7 and ∠8.

• Adjacent

• Linear Pair

• Complementary

• No Name

Multiple Choice

Choose the BEST name to classify ∠8 and ∠9.

• Adjacent

• Linear Pair

• Complementary

• No Name

Multiple Choice

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.

Multiple Choice

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°

Multiple Choice

Angles 1 and 3 are what angle pair?

• Complementary

• Supplementary

• Adjacent

• Vertical

Multiple Choice

Angles 4 and 1 are what angle pair?

• Complementary

• Linear Pair

• Acute

• Vertical