Question

represent root 2 in number line

Answer 1

by the method of square root spiral ,draw any line AB.dRAW A LINE SEGMENT OD SUCH THAT OD IS EQUAL TO 1 UNIT.from the  point D, draw 4 cm (upwards)and join DO,DO= ROOT 2

Answer 2

square of 2=  4  on number line  -4 -3 -2 -1 0 1 2 3 4  ⇒