Question

represent root4.5 on number line

Answer 1

Draw a line segment AB=4.5 units and extend it to C such that BC=1 unit.
Find the mid point O of AC.With O as centre and OA as radius , draw a semi circle at D.
Then , BD =√4.5 units.
With B as centre and BD as radius , draw an arc , meeting AC produced at E.
Then, BE=BO=√4.5 units.