Question
Draw a line $AB.$ Take a point $P$ outside it. Deaw a line passing through $P$ and perpendicular to $AB.$
✓
Answer
Steps for construction:
$1.$Draw a line $AB.$
$2.$Take a point $P$ outside $AB.$
$3.$With $P$ as the centre and a convenient radius, draw an arc intersecting $AB$ at $M$ and $N,$ respectively.
$4.$With $M$ as the centre and radius more than half of $MN,$ draw an arc.
$5.$With $N$ as the centre and the same radius, draw an arc cutting the previously drawn arc at $Q.$
$6.$Draw $PQ$ meeting $AB$ at $S.$
$PQ$ is the required line that passes through $P$ and is perpendicular to $AB.$
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