# How do you find the exact area of the surface obtained rotating the curve about the #x#-axis of #y=sqrt(8-x)#, #2<=x<=8#?

##### 1 Answer

Jun 27, 2018

graph{y = sqrt(8-x) [-1.07, 10.97, -1.25, 5.76]}

Rotating about x-axis:

Arc length is: