Well draw line from 2 to 3 on number line, now draw square with side 1cm, then draw diagonal of that square, on one point of diagonal(away from number line) draw second line of 1cm perpendicular to diagonal one, draw line from second line draw second diagonal to first diagonal now draw an arcfrom the point where second diagonal and second line meets to number line
if you know how to represent sq. root of 3 then represent it between 2 to 3
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