Q. 554.4( 5 Votes )

Locate √7 on a nu

Answer :

The steps of construction are:-

1) Draw a number line


2) Mark 0,1,2,3,4,5,6,7 and so on


3) Mark point A on 0 and B on 2



4) Draw BC perpendicular to B of 1 unit length from B. This will give us OC = √5 by Pythagoras theorem.



5) Construct Another perpendicular from C of length 1 unit and name it D. This will give us OD = √6 unit by Pythagoras theorem.



6) Repeat the same process by drawing unit length from D as a perpendicular and naming it ED. Length OE will be equal to √7 units by Pythagoras theorem.



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