perpendicular lines

[unreal basin]

Pls help

[vapid mica]

Help yourself.

[unreal basin]

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[daring cedar]

I think the answer for that question is wrong

because the formulae for finding perpendicular of a line is -1/m

so the gradient of the first line should be -1/1/2, you get -2 as the gradient

sorry if i'm late

that is the answer

[merry tapir]

U shld use y-y1=m(x-x1) formula but that still works