Which of the following statements could be used to prove that a || b and c || d?O <1 is congruent to<6, <3 is congruent to <5o <1 is congruent to <6 , and <4 and <5 are supplementaryO <1 is congruent to.<4, and <1 and <2 are supplementaryO <1 and <3 are supplementary, <1 and <6 are supplementary
