this is part 2, the proofs are on my profile. please help!

label Mathematics
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schedule 1 Day
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Screen%20Shot%202014-07-29%20at%202.39.2
Jul 29th, 2014

A. Since both equal 180, we put the eqns together via transitive prop.

D. Def of supplements. We know they are supplements, this means that they add to 180.

C. We subtract A from each side and get B=D

D. Def of supplements.

Jul 29th, 2014

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Jul 29th, 2014
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Jul 29th, 2014
Jun 23rd, 2017
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