### Exercise condition:

4
Karthick is a gardener; he used to walks around a circular park of distance 172$$m$$. If he wants to level the park at the rate of Rs42 per sq.metre. How much amount will he need for levelling the entire park? [use $\mathrm{\pi }$ $$=$$$$22$$/$$7$$]
Total cost requires for levelling the park is $$= ₹$$