The radius and height of cylinder are in the ratio 5:7. Find radius of the cylinder if volume is 4400cm cube. P
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let r = radius of cylinder.
h = height of cylinder.
according to question...
r/h=5/7
h=7r/5
now..
V=pi*h*r^2
V=7r^3*pi/5=4400
r=[5*4400/(7*pi)]^(1/3)
hence r= 40cm
h = height of cylinder.
according to question...
r/h=5/7
h=7r/5
now..
V=pi*h*r^2
V=7r^3*pi/5=4400
r=[5*4400/(7*pi)]^(1/3)
hence r= 40cm
Anonymous:
so nicely explain ed
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