An ellipsoid has radii with lengths of 3 , 6 , and 5 . A portion the size of a hemisphere with a radius of 2 is removed form the ellipsoid. What is the volume of the remaining ellipsoid?

1 Answer
Aug 9, 2018

340/3pi~~356" units"^3

Explanation:

"the volume of the ellipsoid is"

•color(white)(x)V_(color(red)"ellipsoid")=4/3pir_1r_2r_3

V_("ellipsoid")=4/3pixx3xx6xx5=120pi

"the volume of the hemisphere is"

•color(white)(x)V_(color(red)"hemisphere")=2/3pir^3

V_("hemisphere")=2/3pixx8=16/3pi

V_("remaining")=120pi-16/3pi=340/3pi~~356" units"^3