Question

Show how root 20 can be represented on the number line.
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Answer 1

Answer: By Pythagoras theorem

(Hypotenuse)square= (base)square+(height)square

(Hypotenuse) square= (4)square+(2square)

(Hypotenuse)square=16+4

(Hypotenuse)square=20

Hypotenuse=√20

Step-by-step explanation: I have taken 2 cms for 1 unit .

Take length as 4 (according to units) and height as 2 (according to units)

Make the mark as shown and with a compass from 0 to th e point make a point that touches the no. Line and mark as A