+0  
 
0
36
1
avatar

Either increasing the radius or the height of a cylinder by six inches will result in the same volume. The original height of the cylinder is four inches. What is the original radius in inches?

 Nov 8, 2021
 #1
avatar+1608 
0

Either increasing the radius or the height of a cylinder by six inches will result in the same volume. The original height of the cylinder is four inches. What is the original radius in inches?

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

V = r2*pi*h

 

(6+r)2 *pi * 4 = r2 * pi * 10

 

The original radius=>    r = 2(2 + √10)

 Nov 8, 2021

10 Online Users