SOLUTION: These worded problems are killing me. Please assist me in making this a quadratic equation. Thank you. It states: Find the radius of a 12 cm high cylinder that has a surface are

Question 130911: These worded problems are killing me. Please assist me in making this a quadratic equation. Thank you.
It states:
Find the radius of a 12 cm high cylinder that has a surface area of 846cm^2.
Thank you so very much.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Find the radius of a 12 cm high cylinder that has a surface area of 846cm^2.
-----------
Surface Area = 2(pi)rh
--------------------
846 = 2(pi)r*12
70.5 = 2(pi)r
r = 11.22 cm
================
Cheers,
Stan H.
RELATED QUESTIONS
I have having great difficulty with these worded problems; your help would be greatly... (answered by checkley71)

I have having great difficuly with these worded problems, your help would be greatly... (answered by stanbon)

These word problems are killing me today. The value:v(in dollars per acre) of a wheat... (answered by checkley77)

Hello I was wondering if you would be able to assist me please. I am given a quadratic... (answered by scott8148)

I have a worded problem that is giving me trouble and I would really appreciate if... (answered by ankor@dixie-net.com)

I am struggling with these types of problems. Can you please explain it to me. Thank you... (answered by sudhanshu_kmr)

Hello, I am having problems solving this equation. Please assist me in learning. :) 7... (answered by stanbon)

Could someone please assist me with this question: Find the solution to this equation: (answered by stanbon)

Hi, this problem is giving me a hard time. The problem is rad3*sin2x=cos2x. I'm... (answered by solver91311)