Angle Properties (Parallel Lines/Transversals)

Opposite angles formed when to lines cross...

• Vertical

• Corresponding

• Alternate Interior

• Alternate Exterior

Tags

CCSS.HSG.CO.C.9

Consecutive (Same Side) Interior angles...

• Add to be 180

• Are congruent

• Add to be 90

• Are equal

What is a transversal?

• A line that intersects two or more lines
• The angles opposite of each other when two lines cross
• Two angles whose sum measures 180 degrees
• Lines that intersect to form a 90 degree angle

Tags

CCSS.8.G.A.5

Angle C and P are...

• Alternate Interior Angles
• Consecutive Interior Angles
• Corresponding Angles
• Alternate Exterior Angles

Tags

CCSS.8.G.A.5

Angle R and C are...

• Alternate Interior Angles
• Consecutive Interior Angles
• Corresponding Angles
• Alternate Exterior Angles

Tags

CCSS.8.G.A.5

Angle S and A are...

• Alternate Interior Angles
• Consecutive Interior Angles
• Corresponding Angles
• Alternate Exterior Angles

Tags

CCSS.8.G.A.5

∠2 & ∠4 are...

• Supplementary angles
• Vertical angles
• Corresponding angles
• Alternate interior angles

Tags

CCSS.8.G.A.5

10)Given the two parallel lines cut by a transversal,

What is the measure of  $\angle5$  ?

• 88

• 92

• 2

• 176

11) Given the two parallel lines cut by a transversal,

What is the measure of $\angle4$  if  $m\angle8=76\degree$  ?

• 76

• 104

• 14

• 152

How would you solve for x?

• Consecutive Interior = 180

• Alternate Interiors = 180

• Corresponding angles are congruent

• Alternate Interiors are equal

• Consecutive Interiors are =