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DO NOW
DO NOW
LEARNING TARGET
LEARNING TARGET
I can prove theorems about parallel lines.
I can prove theorems about parallel lines.
I can use properties of parallel lines to find angle measures.
I can use properties of parallel lines to find angle measures.
I DO
I DO
What are the postulates we need for this lesson?
Let's make a foldable!
WE DO
WE DO
Let's do some examples. For each system below, write a two-column proof that proves the value of the variable that makes the two lines parallel:
Let's do some examples. For each system below, write a two-column proof that proves the value of the variable that makes the two lines parallel:
YOU DO
YOU DO
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