Question

using ruler and compass draw line segment and bisect it

Answer 1

first draw a line segment .
then taking more than half of radius from one point draw arcs and same do from another point . then draw a line from the arcs and the line was bisected

Answer 2

see I hope u got dis.
actually I took AB 8cm
now frm A take an arc of more than half upside n downside from B with that same distance do arc upside n downside join them