pls answer this problem pls
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So, this is an NCERT Problem which you have where you are not able to understand what example 3 means to say.
Representing an irrational number by triangle method ( as given in NCERT ) is.
We take an example 3 which is to represent root 2 on number line;
First think of two numbers when put in pythogorean theorum will give you out root 2
Take 1 unit from origin and reach till 1, here draw an perpendicular 1 unit from that point.
You will get base and perpendicular as 1 unit respectively.
So hypotenuse you will get will is _/2
Now measure perpendicular from compass and take that point where perpendicular starts as center draw an arc.
Why pythogorean theorum?
Because this triangle formed is right triangle.