SOLUTION: What is the height of a cylinder whose surface area is 282.6 square inches and whose radius is 3 inches?

Question 251516: What is the height of a cylinder whose surface area is 282.6 square inches and whose radius is 3 inches?

Found 2 solutions by checkley77, richwmiller:
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
A=2PIRH+2PIR^2
282.6=2*3.14*3*H+2*3.14*3^2
282.6=18.84H+56.52
282.6-56.52=18.84H
226.08=18.84H
H=226.08/18.84
H=12 INCHES IS THE HEIGHT.
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
A=2*pi*r*h
if the surface area does not include the ends of the cylinder
282.6=2*pi*3*h
RELATED QUESTIONS
Find the surface area of a cylinder whose diameter is 6 inches and height is 8... (answered by Alan3354)
find the surface area of a cylinder whose bases are circle with a radius of 18 inches and (answered by Positive_EV)
The surface area A of a right circular cylinder is A=2Pi times the radius square + 2Pi... (answered by stanbon)
What is the surface area of a cylinder whose base has a diameter of 8 inches and whose... (answered by jim_thompson5910)
how many square units are in the surface area of a cylinder whose radius is 3 units and... (answered by jim_thompson5910,robertb)
the surface area of a cylinder is 180 π square inches and the height is 9 inches.... (answered by jorel1380)
what is the lateral area of a cylindar whose height is 6 inches and radius is 4... (answered by ewatrrr)
Find the volume of a cylinder whose radius is (k+7) inches and whose height is (2k)... (answered by solver91311)
What is the surface area of a cylinder with a radius of 7 inches and a height of 9... (answered by Alan3354)