Represent root 4.7 on a number line
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the step of making root 4.7 on number line
1)draw line named 'ab' with measure 4.7 unit
2) from B 1 cm and mark as 'C'
3) take the half of 'AC' and mark it O
4) take the measure of 'AO' as radius and with 'O'
as centre draw semicircle
5) from 'B' draw a line perpendicular to AB, touching the semicircle at D and mark that point as 4.7
6) compass pointer on B and the pencil point on d and then draw an arc on number line
7) Hans mark on number line as root 4.7
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