Cylinder

The cylinder surface is 922 dm2, its height is equal to the radius of the base. Calculate height of this cylinder.

Correct result:

h =  8.57 dm

Solution:

S=922 dm2 r=h S=2 πr2+2 πrh S=2 πr2+2 πr2 S=4 πr2  r=S4π=9224 3.14168.5657  h=r=8.5657=8.57 dm



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