Mathematics

# Draw a line segment AB of 4 cm in length. Draw a line perpendicular to AB through A and B, respectively. Are these lines parallelif yes write 1 and if false then write 0

1

##### SOLUTION
The lines are perpendicular to a common line AB. Hence, the angle between these lines will be $90 + 90 = 180^{\circ}$
Since, the angle between them is $180^{\circ}$, the lines are parallel to each other.

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