Question

Draw a line ab parallel to PQ at a distance of 4.5 cm from it using ruler and compass

Answer 1

Draw line PQ.

Construct angle GEF=HFE=90°

With the centre E draw an arc of radius 4.5 cm cutting EG at C

With the centre F draw an arc of radius 4.5 cm cutting FH at D

Join CD to produce line AB parallel to PQ

Hope it will help you