square root of 2 is irrational number so it cant be expressed like digits.
1) Get a number line ready
2) make a vertical line from 1.
3) take a compass with 1 unit long
4) cross that line with the pencil while the compass tip on one(1).
5)place the compass tip on zero(0), and extend the pencil to the marked point.
6)with that length mark the number line keeping the compass tip on zero.
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Now, thr marked tip is at squareroot of 2 unit far from zero.
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this is my first answer and I am not sure if you will understand.
Anyway, good luck.
