Question

Represent √9on the number line ​

Answer 1

Answer:

It can be represented by Pythagoras theorem. It is in class 9 maths cbse

First, you need to break it in two numbers, and if that number is not a perfect square, then break it too again.

E.g.

$h^{2} = \: p^{2} + \: b^{2} \\h \: = \: \sqrt{p^{2} + b^{2} } \\ 9 = \sqrt{4 + 5 } \\ also \: \sqrt{4} = 2$

So we need to break √5 , then you represent 4 + 1

Now represent 4 units in number line and draw perpendicular 1 units on 4, then the hypotenuse formed in the triangle in √5.

Similarly, draw 4 units perpendicular through the end of √5 line. Then take a compass, point it in the upper point of next triangle and mark it in the number line. Then that point is representing √9.

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