For questions 18-20, determine if ab and cd are parallel, perpendicular, or neither.
18. a(-4,...
Mathematics, 05.12.2019 03:31 katrinajernae7008
For questions 18-20, determine if ab and cd are parallel, perpendicular, or neither.
18. a(-4, 3), b(2, -12), c(10,5) and d(0, 1)
19. a(2,3), b(8,-15), c(-2, 2) and d(-5, 11)
20. a(5,6), b(-1,6), c(-2, -7) and d(-2,-4)
perpendicularly or neither
Answers: 2
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