Show Parallel Lines and Perpendicular Lines

Which could be used to prove the lines are parallel?

• Alternate Interior
• Corresponding
• Vertical
• Cannot be proved parallel

Which could be used to prove the lines are parallel?

• Corresponding
• Alternate Interior
• Linear Pair
• Cannot be proved parallel

Which could be used to prove the lines are parallel?

• Alternate Interior
• Consecutive Interior
• Corresponding
• Cannot be proved parallel

Which could be used to prove the lines are parallel?

• Alternate Interior
• Corresponding
• Consecutive Interior
• Cannot be proved parallel

Which could be used to prove the lines are parallel?

• Alternate Exterior
• Corresponding
• Alternate Interior
• Cannot be proved parallel

Which could be used to prove the lines are parallel?

• Alternate Interior
• Corresponding
• Consecutive Interior
• Cannot be proved parallel

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

• 20
• 22
• 24
• 25

What value of x proves that line p is parallel to line r?

• 14
• 12.5
• 15
• 25

If a // b and c // d in the figure below, then what is the value of x?

• 47
• 57
• 133
• 143

Line l and m are intersected by transversal n.  Which statement proves that line l is parallel to line m?

• ∠2 ≅ ∠3
• ∠2 ≅ ∠6 
• m∠7 + m∠8 = 180°
• m∠3 + m∠5 = 90°