Answers

2016-04-27T19:29:53+05:30
First draw a line of unit 7 than add extra 1 unit in 7. on the last point make a perpendicular than cut it  and join the circle on the line than drop it down

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2016-04-27T20:35:30+05:30
We know that
√4 = 2  and √9 = 3
 √7 lies between √4 and √9
How to indicate √7 in the number line?
1) draw an  x-axis.
2) mark up to 5cm
3) locate √7 somewhere between 2 and 3.


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