Given :-

• length & Breadth of rectangular field.
• 4 rounds of rope is to be put

To find :-

• total length of rope he must use.

Solution :-

firstly we will find the perimeter of the rectangular field.

Using formula :-

=2 x (L + B)

=2 x (250 + 160)

=2 x 410

= 840

as we know that 4 rounds to be put around it so we will multiply the perimeter with 4

= 840 x 4

= 3360 metres

Simple answer:- so the total length of rope put around this rectangular field bi 4 rounds is 3360 metres.