Remember, D*pi = circumference.
Oh yeah, never use mixed numbers. Most teachers hate them as you go on to higher math.
13/4*pi = 13/4pi
Now, find the area.
(13/4)/2 = 13/8 <--radius
pi(r^2) = area
pi(169/64) = area
Surface area for cylinder:
2(Area of Base) + Circumference of Base(Height) =...