Lines and Angles Proofs

What is the relationship of ∠4 and ∠7?

• Corresponding Angles

• Alternate Interior Angles

• Alternate Exterior Angles

• Consecutive Interior Angles

• Linear Pair

What is the relationship of ∠6 and ∠8?

• Corresponding Angles

• Alternate Interior Angles

• Alternate Exterior Angles

• Consecutive Interior Angles

• Linear Pair

What is the relationship of ∠3 and ∠7?

• Corresponding Angles

• Alternate Interior Angles

• Alternate Exterior Angles

• Consecutive Interior Angles

• Vertical Angles

Solve for the variable.

• x = 8

• x = 4

• x = 4.8

• x = 5.6

Find the measures of all the angles.

• m<5=60; m<6=30; m<7=60; m<8=30

• m<5=30; m<6=30; m<7=60; m<8=60

• m<5=45; m<6=34; m<7=45; m<8=67

• m<5=23; m<6=23; m<7=68; m<8=68

Which value of x will show that lines l and m are parallel?

• 20

• 22

• 24

• 25

Find the measure of angle 1.

• 28^o
• 136^o
• 44^o
• 6^o

What is the value of x?

• 22
• 26
• 24
• 23

Angle 1 = 27^o
Find the measure of angle 4

• 27^o
• 153^o
• 63^o
• 90^o

What is the REASON for Statement #2?

• Given
• Definition of Complementary Angles
• Substitution Property
• Reflexive Property of Congruence