pon14
pon14
23-10-2017
Mathematics
contestada
15 pls—i need a 2 column proof. thanks xx
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Аноним
Аноним
23-10-2017
I haven't done proofs in a while, but one thing that might help is that only if two lines were parallel would angles 3 and 1 be congruent (3 is congruent to 2, which is congruent to 1, so they're all congruent to each other).
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