2πr*h = 224 π^2
πrh=112 π^2
rh=112π
2πr^2= 896π^3 / :2
πr^2= 448π^3 / :π
r^2= 448π^2
r= ???
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2πr*h = 224 π^2
πrh=112 π^2
rh=112π
2πr^2= 896π^3 / :2
πr^2= 448π^3 / :π
r^2= 448π^2
r= ???