SOLUTION: If the surface area of a right circular cylinder is 12 Pi, and the height is 1,what is its radius?
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Question 50605: If the surface area of a right circular cylinder is 12 Pi, and the height is 1,what is its radius?
Answer by venugopalramana(3286) (Show Source): You can put this solution on YOUR website!
If the surface area of a right circular cylinder is 12 Pi, and the height is 1,what is its radius?
s.a=2pi*r^2+2pi*r*h=12pi
12=2r^2+2r*1
r^2+r-6=0
(r+3)(r-2)=0
r=2
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