Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
A closed cylindrical tank is to be constructed so that its total surface area is fixed. For the tank to have maximum capacity, what should be the ratio of its height
h
h
h
to the base radius
r
r
r
? a)
h
=
4
r
3
h=\dfrac{4r}{3}
h
=
3
4
r
b)
h
=
2
r
h=2r
h
=
2
r
c)
h
=
r
h=r
h
=
r
d)
h
=
3
r
h=3r
h
=
3
r
Browse the problem library