A tent is made like a frustum of cone. If the diameters of upper and lower circular parts be 14 m and 26m respectively, the height of the frustum be 8m and the slant height of the conical cap is 12m, then find the area of canvas required to make the tent.
1
284 π m2
2
260 π m2
3
180 π m2
4
264 π m2