Challenging Problems with Parallel Lines

What is the measure of ∠8?

• 55

• 155

• 135

• 45

Given d || e and <4 = 133, Find <2

• 28

• 53

• 47

• 133

Given d || e and <2 = 74, find <8

• 16

• 28

• 74

• 106

Given d || e and <1 = 155, find <4

• 25

• 35

• 105

• 155

<1 and <3 are called...

• Alternate Interior Angles

• Corresponding Angles

• Same Side Interior Angles

• Vertical Angles

<4 and <1 are called...

• Alternate Interior Angles

• Corresponding Angles

• Same Side Interior Angles

• Vertical Angles

What relationship do <1 and <3 have...

• Congruent

• Supplementary

• Complementary

• No Relationship

What relationship do <5 and <7 have...

• Congruent

• Supplementary

• Complementary

• No Relationship

<6 and <1 are called...

• Alternate Interior Angles

• Corresponding Angles

• Same Side Interior Angles

• Vertical Angles

If m∠6 = 50^o then m∠4 =

• 50^o

• 90^o

• 130^o

• 360^o