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4 votes
AB is parallel to CD and EF is perpendicular to AB. The number of 90 degree angles formed by the intersections of EF and the two parallel lines AB and CD is

2 Answers

5 votes
The answer would be supplemtary or complimentary
User Douglas Hill
by
6.6k points
7 votes
The answer may be supplementary, but Im not completely sure
User Fernando Allen
by
6.6k points
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