Answer:
As surface area of a cylinder = 2πrh + 2πr^2
= (2 × 22/7 × 6 × 5 + 2 × 22/7 × 36)ft^2
= (44/7×30 + 44/7×36)ft^2
= (1320/7+1584/7)ft^2
= (2904/7)ft^2
= 414.857142857 ft^2
Hope it helps
