The radius of a circular garden is 70m .A 3.5 m wide road is built around it's outside . what will be the cost on the construction of the road , if the rate of cost is 20Rs per square metre
The radius of a circular garden is 70m .A 3.5 m wide road is built around it's outside .What will be the cost on the construction of the road , if the rate of cost is 20Rs per square metre