Perpendicular lines have negative reciprocal slopes. All that means is " flip " the slope and change the sign.
slope = -2, or -2/1....so flip the slope...-1/2...and change the sign...1/2.
so the perpendicular slope would be 1/2.
Multiply 6 by 60 then divide by two which will get you 180.
Answer: X=30
Hope that helped!!!
