Question

the length of a rectangle field is twice is b arun jogged around it 3 times and covered a disk of 5.4km .find the length and breadth of the field.

Answer 1

l=2b
acc.. to Q
3l=5.4
l=5.4/3
l=1.8 km
l=2b
1.8=2b
b=1.8/2
b=0.9km