Identify the pairs of complementary or supplementary angles, as indicated.Supplementary

A. ?AOC & ?AOD; ?AOD & ?DOB; ?DOB & ?COB; ?COB & ?AOC
B. ?COB & ?BOD; ?BOD & ?AOD
C. ?AOC & ?AOD; ?AOD & ?DOB
D. ?AOD & ?COB; ?AOC & ?DOB

Answer: A

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