Question

draw a line segment PQ equal to 7 centimetre using ruler and compass obtain a line segment of length 1/2 PQ measure each part

Answer 1

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p. q.
p as centre take more than half radius i.e 3.7
draw an arc up and down of the line
p as centre draw a take same radius and draw an arc in both sides
now those four arcs cuts now draw a line from the intersecting arc
and the point which touches the line pq is the half of the pq the