Question

draw under root 4.2 in number line.
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Answer 1

Answer:

To express 4.2 on number line steps:

Consider a line segment AB on number line where AB=4.2, take a point C next to B such that BC = 1 unit. Consider midpoint of AC as center O. Now with radius OC draw a semi-circle. Draw a straight line from B onto the semicircle to cut it at D