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

Correct answer:

h =  8.57 dm

Step-by-step explanation:

S=922 dm2 r=h S=2 πr2+2 πrh S=2 πr2+2 πr2 S=4 πr2  r=4πS=4 3.14169228.5657  h=r=8.5657=8.57 dm

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