Question

a rectangular field is 92 m by 78 m ajay walks round it at the rate of 3 km per hour what time will he take in 2 rounds​

Answer 1

Step-by-step explanation:

perimeter of rectangular field=2(92+78)

=2*170

time =2*2*170/3*10/36

=4*170*36/10*3

=816 sec

=13.6min