A farmer has a rectangular field of length and breadth 240 m and 180 m respectively. He wants to fence it with 3 rounds of rope as shown in figure 10.4. What is the total length of rope he must use?

Explanation

To find the total length of rope the farmer needs to fence his rectangular field with 3 rounds of rope, we can follow these steps:

### Step 1: Identify the dimensions of the field
- The length of the field is 240 meters.
- The breadth of the field is 180 meters.

### Step 2: Calculate the perimeter of the rectangular field
- The formula for the perimeter (P) of a rectangle is given by:
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