Question

How will root 2 come there

Answer 1

Answer:

OB = OA + BA

= (1)² + (1)²

= 1+ 1

2

and also u hve 2 find on number line if u wanna no how will d root 2 cm dere

Step-by-step explanation:

just by d Pythagoras theorem

Answer 2

Answer:

as it is a square angleOAB=90

∆AOB is right angle triangle

by pythagorus therom OB=√2