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Posted by **priya** on Monday, February 21, 2011 at 9:06pm.

- math -
**MathMate**, Monday, February 21, 2011 at 9:17pmVolume of cylinder

= πr²h

= π(80/2)²*45

= 72000π

Volume of the other cylinder = 72000π

= π(diameter/2)²*80

Solve for diameter in

72000π = π (diameter/2)²*80

I get diameter=60.

- math -
**Bosnian**, Tuesday, February 22, 2011 at 12:05amV=([d^2*pi)/4] *L

[(80^2*pi)/4]*45=[(d^2*pi)/4]*(45+80)

Multipy both sides of this equation with(4/pi)

(80^2)*45=d^2*(45+80)

6400*45=d^2*125

288000=d^2*125

Divide both sides with 125

288000/125=d^2

2304=d^2

d=sqroot(2304)

d=48 cm

- math -
**manpreet**, Thursday, January 16, 2014 at 9:46amdon't known

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