+0  
 
0
212
1
avatar

what is the surface area of a cylender with the hight of 16mm and the diameter being 8 mm

Guest Apr 21, 2017
 #1
avatar+87293 
+2

 

 

Surface area   =

 

2 * pi * (diameter / 2)^2  +  2 * pi * (diameter / 2) *  height     ......so we have...

 

2 * pi * ( 8/2)^2  +  2 * pi * (8 / 2) * 16  =

 

2 * pi * (4)^2  + 2 * pi * (4) (16)  =

 

2 * pi  [ 4^2  +  4 * 16]

 

2 *pi  (16  +  64)  =

 

2 pi ( 80) =

 

160 pi mm ^2     ≈  502.65 mm^2

 

 

 

cool cool cool

CPhill  Apr 21, 2017

23 Online Users

avatar

New Privacy Policy

We use cookies to personalise content and advertisements and to analyse access to our website. Furthermore, our partners for online advertising receive information about your use of our website.
For more information: our cookie policy and privacy policy.