root5 on number line
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Step-by-step explanation:
1) A number line is drawn
2)OA=2 unit is drawn on the number line
3) At a, A perpendicular to AB =1 unit is drawn
4) OB is joined
5) Taking 0 as centres and 0B as radius an arc is drawn which cuts the number line at C
6) Hence C is root5 on number line
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