11. Determine the perimeter and cost of fencing the triangular plot

The sides of a triangular park are 15 \(m\), 20 \(m\) and 22 \(m\). The cost of fencing the triangular park is \(₹\)17 \(per \ meter\). Find the perimeter of the triangular park and the total cost of fencing the triangular park.

 

The perimeter of the triangular park \(=\)  \(m\)

 

The total cost of fencing the triangular park \(= \ ₹\)