Question

the length of a wire was 200cm .it has been in the form of a square .how much area to run one kilometre?

Answer 1

area of rectangle = l*b
area of square = s *s
given length of wire 200
200 =s *s
s = 14.14
perimeter of square = 4 *s
4* 14.14
56.56cm
1 kilometre = 1000m
1000m = 100000cm
for cover 1 kilometre , he has to run 1768.06 round complete around the square