Question

show root 8.4 on number line​

Answer 1

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Answer 2

Mark the distance 8.4 from a fixed point A on a given line to obtain a point B such that AB = 8.4 units . From B mark a distance of 1 unit and mark the new point as C.Find the mid point of AC and mark that point as 'O'.Draw a semi circle with centre O and radius OC. Draw a line perpendicular to AC passing through B and Intersecting the semi-circle at D.Then BD = √8.4