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Mathematics 14 Online
OpenStudy (anonymous):

complete the paragraph proof given: <1 and <2 are supplementary and <2 and <3 are supplementary Prove: <1 is congruent to <3 By the definition of supplementary angles, M<1+M<2=? M<2+M<3=? M<1+M<2=M<2+M<3 subtract M<2 from each side, You get M<1=? or <1is congruent to? Please help I do not understand this at all, all help is greatly appreciated! Awards will be given!

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