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The answer would be perpendicular? smh i hate this stuff
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The answer would be perpendicular?

smh i hate this stuff

The answer would be perpendicular? smh i hate this stuff-example-1
User Sanjay
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1 Answer

2 votes
If the slope of two line applies the rule of

m₁ × m₂ = -1

that means the two lines are perpendicular

9/8 × -8/9 = -1

So line a and line b are perpendicular.
User Blowekamp
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8.1k points
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