A school plans to start water harvesting programme. For this, the school needs 5 closed cylindrical tanks with capacity 154 litres. The radius of each tank is 1m. How many square metres of metal sheet would be required to make it?
A school plans to start water harvesting programme. For this, the school needs 5 closed cylindrical tanks with capacity 154 litres. The radius of each tank is 1m. How many square metres of metal sheet would be required to make it?