Question 756351
The total surface area of a right circular cylinder is 54π square inches. If the altitude of the cylinder is twice the length of a radius, find the altitude of the cylinder.
---
Equations:
h = 2r
(pi)r^2 = 54(pi)
---
r^2 = 54 
---
r = 3sqrt(6) inches
---
h = 2r = 6sqrt(6) inches
============================
Cheers,
Stan H.
==============