x = a
by + c = 0
Angle between the lines x = a and by + c = 0.
Angle between two lines.
The given lines can be written as
x = a … (1)
y = -cb … (2)
Hence, Lines (1) and (2) are parallel to the y-axis and x-axis, respectively. Thus, they intersect at right angle, i.e. at 90°.
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