Question

locate root 2 on n line

Answer 1

Answer:

Take a line

Point 0 on that line

Take the distance of 1 cm from 0 again 1 cm vertically and name it A

JOin 0 and A

Take the 0 point as centre and draw upto 1 cm

Answer 2

NOW,

we place sq OABC on number line such that O consides with zero of number line.

20 divisions = 1 unit

therefore 28 divisions = 28×1/20

= 1.4

hope this will help you