Question

The area of each square in a chess board is 6.25 m square and if 2 cm broad a length is drawn what is the land derived

Answer 1

6.25=s^2
s = √6.25
= 2.5 cm
new length=4.5
area = 4.5*4.5
20.25sq.cm
land derived = 20.25-2.5
=17.75sq.cm