Mathematics

Mathematics

Problem

In parallelogram ABCDABCD, the diagonals ACAC and BDBD intersect at OO. Which one of the following gives a correct set of equalities that can be used to prove △AOB≅△COD\triangle AOB \cong \triangle COD by SAS? a) AO=CO, BO=DO, ∠ABO=∠CDOAO = CO,\ BO = DO,\ \angle ABO = \angle CDO b) AO=BO, CO=DO, ∠AOB=∠CODAO = BO,\ CO = DO,\ \angle AOB = \angle COD c) AO=CO, BO=DO, ∠AOB=∠CODAO = CO,\ BO = DO,\ \angle AOB = \angle COD d) AO=CO, AB=CD, ∠AOB=∠CODAO = CO,\ AB = CD,\ \angle AOB = \angle COD

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