SOLUTION: what is the surface area of cylinder with a radius of 3in and a height of 5in in terms of pi

Algebra ->  Surface-area -> SOLUTION: what is the surface area of cylinder with a radius of 3in and a height of 5in in terms of pi      Log On


   

Question 386631: what is the surface area of cylinder with a radius of 3in and a height of 5in in terms of pi
Found 2 solutions by Alan3354, jrfrunner:
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
The area of the top and bottom = pi*r^2 each
The lateral area = 2*pi*h
Sub your numbers

Answer by jrfrunner(365) About Me  (Show Source):
You can put this solution on YOUR website!
Surface area for cylinder: bottom+side+top
Bottom area=pi*r^2
Top area=pi*r^2
side area= 2*pi*r*h
--
if r=3in, h=5in then
surface area= bottom+top+side
=pi*(3)^2+pi*(3)^2+2*pi*(3)*(5)
=18*pi+30*pi=48*pi