Given ∠7≅∠9 , which lines, if any, must be parallel based on the given information? Justify your conclusion. Multiple choice answers:

Question

Multiple choice answers:
1) a∥b, Converse of the Alternate Exterior Angles Theorem

2) c∥d, Converse of the Same-Side Interior Angles Theorem

3) a∥b , Converse of the Alternate Interior Angles Theorem

4) not enough information to make a conclusion

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Answer 1 · 2018-02-16T05:58:43

3) a∥b , Converse of the Alternate Interior Angles Theorem

when you consider the lines a and b, #angle7=angle9#
these form a pair of alternate interior angles.