Question

represent _/4.5 on number line. step by step solution plz

Answer 1

draw a line of 4.5cm then extend the line for 1cm .
take compass
fill in it more than half make perpendicular the point will come will be the mid point
then put compass on mid point and extend till point A and make semi circle
make 90 degree angle on B and intersect the semi circle that point will the ans