Proving Parallel Lines

Which pair of angles must be supplementary so that r is parallel to s?

• ∠2 and ∠3
• ∠5 and ∠6
• ∠4  and ∠10
• ∠6  and ∠14

Tags

CCSS.8.G.A.5

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

• 20
• 22
• 24
• 25

Tags

CCSS.8.G.A.5

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

• 14
• 12.5
• 15
• 25

Tags

CCSS.8.G.A.5

Which value of x will show that line m is parallel to line r?

• 33
• 25
• 24
• 20

Tags

CCSS.8.G.A.5

What value of x proves that lines l and m are parallel?

• 21
• 23
• 40
• 57

Tags

CCSS.8.G.A.5

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

• 47
• 57
• 133
• 143

Tags

CCSS.8.G.A.5

Which of the following relationship proves that j is parallel to k?

• ∠3 and ∠4 are supplementary
• ∠4 and ∠5 are supplementary
• ∠1 ≅ ∠3
• ∠2 ≅ ∠3

Tags

CCSS.8.G.A.5

Line v is a transversal.  Which is a true statement?

• w // x and x // y
• w // x and y // z
• w // y and x // z
• w // z and x // y

Tags

CCSS.8.G.A.5

Which condition will prove that line l is parallel to line m?

• ∠1 ≅ ∠3
• ∠3 ≅ ∠5
• ∠1 ≅ ∠6
• ∠6 ≅ ∠5

Tags

CCSS.8.G.A.5

Line l and m are cut 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°

Tags

CCSS.8.G.A.5