A conical tent is \(15 m\) high and the radius of its base is \(8 m\). Find
(i) slant height of the tent \(=\) \(m\)
(ii) cost of the canvas required to make the tent, if the cost of \(1\) \(m^2\) canvas is \(Rs.70\)
Total cost \(=Rs.\)
[Note: Please do not add comma or dot while entering the total cost field.]