Ch. 3.4 Proving lines parallel
Corresponding
(matching)
angles
Same side Interior
(Consecutive)
angles
Alternate Interior
angles
Alternate Exterior
angles
based on the given angles?
(type letters in ABC order)
Which lines MUST be  parallel?
and
∡1 and ∡3 form
what type of angles?
 corresponding
Alternate Interior
Alternate Exterior
Same side Interior
    (Consecutive)
Given ∡1≅∡3
l and m are parallel
Corresponding
∡1 and ∡3 form
what type of angles?
Given ∡1≅∡3
based on the given angles?
(type letters in ABC order)
Which lines MUST be  parallel?
and
∡1 and ∡2 form
what type of angles
 corresponding
Alternate Interior
Alternate Exterior
Same side Interior
    (Consecutive)
Given ∡1≅∡2
l and m are parallel
∡1 and ∡2 form
what type of angles
Alternate
Interior
Given ∡1≅∡2
based on the given angles?
(type letters in ABC order)
Which lines MUST be  parallel?
and
6
∡2 and ∡6 form
what type of angles?
 corresponding
Alternate Interior
Alternate Exterior
Same side Interior
    (Consecutive)
Given ∡2≅∡6
6
∡2 and ∡4 form
what type of angles?
n and p are parallel
Corresponding

Given ∡2≅∡4
based on the given angles?
(type letters in ABC order)
Which lines MUST be  parallel?
and
6
∡3 and ∡6 form
what type of angles?
 corresponding
Alternate Interior
Alternate Exterior
Same side Interior
    (Consecutive)
Given ∡3≅∡6
based on the given angles?
(type letters in ABC order)
Which lines MUST be  parallel?
and
∡4 and ∡5 form
what type of angles?
 corresponding
Alternate Interior
Alternate Exterior
Same side Interior
    (Consecutive)
Given ∡4≅∡5
based on the given angles?
(type letters in ABC order)
Which lines MUST be  parallel?
and
6
∡3 and ∡6 form
what type of angles?
 corresponding
Alternate Interior
Alternate Exterior
Same side Interior
    (Consecutive)
Given ∡3≅∡6
based on the given angles?
(type letters in ABC order)
Which lines MUST be  parallel?
and
6
∡1 and ∡6 form
what type of angles?
 corresponding
Alternate Interior
Alternate Exterior
Same side Interior
    (Consecutive)
Given ∡1≅∡6
based on the given angles?
(type letters in ABC order)
Which lines MUST be  parallel?
and
6
∡4 and ∡6 form
what type of angles?
 corresponding
Alternate Interior
Alternate Exterior
Same side Interior
    (Consecutive)
Given ∡4≅∡6
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