Parallel Lines Transversals Proof

-angles between 2 lines (interior) and on opposite sides of a transversal (alternate)

-CONGRUENT when lines are parallel

• Alternate Interior Angles

• Same Side Interior Angles

• Corresponding Angles

• Vertical Angles

Tags

CCSS.8.G.A.5

-Angles Between the lines (interior) and on the same side of the transversal.

-SUPPLEMENTARY when lines are parallel

• Supplementary Angles

• Same Side Interior Angles

• Linear Pair

• Vertical Angles

Tags

CCSS.8.G.A.5

Which is the correct reason for statements 2 and 4 in the proof?

• Th17

• Substitution property

• Definition of Congruent Angles

• Th6

Tags

CCSS.7.G.B.5

What is the reason for Statement 4 to complete the proof?

• Th17

• Th17cor1

• Substitution property

• Th19

• Th19cor1

Identify the correct statement.

• ∠1 & ∠2
  are corresponding angles

• ∠2 & ∠4
  are corresponding angles

• ∠5 & ∠8
  are corresponding angles

• ∠1 & ∠5
  are corresponding angles

Tags

CCSS.8.G.A.5

The last statement is <4 = <6. What is the last reason

• Prove

• Definition of congruent angles

• Substitution Property

• Th17 cor1

• Th19cor1

Identify the correct statement.

• ∠1 & ∠2
  are vertical angles

• ∠2 & ∠4
  are vertical angles

• ∠5 & ∠8
  are vertical angles

• ∠1 & ∠5
  are vertical angles

Tags

CCSS.7.G.B.5

Identify the correct statement.

• ∠J=105°

• ∠J=75°

• ∠J=15°

• ∠J=90°

Tags

CCSS.8.G.A.5

If lines are parallel with a transversal, then these two angles are...

• Supplementary Angles

• Corresponding Angles

• Alternate Exterior Angles

• Parallel Angles

Tags

CCSS.8.G.A.5

• No

• Yes, Corresponding angles are congruent

• Yes, Alternate Interior angles are congruent

• Yes, Alternate Exterior angles are congruent

Tags

CCSS.8.G.A.5