(2-3) Parallel Proofs Pt 2+

What is the secret password on the (2-3) slideshow?

(a)  

Which of the following is parallel?

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Tags

CCSS.8.G.A.5

Which of the following DOES NOT SHOW PARALLEL LINES?

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Tags

CCSS.8.G.A.5

Assume all lines are parallel and the appropriate angles are congruent. (pick 2)

•  $x=150$  

•  $x=30$  

•  $y=150$  

•  $y=30$  

Tags

CCSS.8.G.A.5

• Parallel Lines

• Not Parallel Lines

Tags

CCSS.8.G.A.5

• Parallel because corresponding angles are congruent

• Not parallel because same side interior angles are not 180

• Not parallel because these are vertical angles

• Parallel because inside exterior angles are congruent

Tags

CCSS.8.G.A.5

What is the value of x?

(a)  

Tags

CCSS.7.G.B.5

Assume the following lines are parallel.

• $x+y\ =\ 180$

• $x=y$

Tags

CCSS.8.G.A.5

Assume the following lines are parallel.

•  $x+y=180$  

•  $x=y$  

Tags

CCSS.8.G.A.5

Which two are correct?

•  $a=70$  

•  $b=70$  

•  $c=70$  

Tags

CCSS.8.G.A.5