Cylinder

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 π r2 + 2 π r h  S = 2 π r2 + 2 π r2  S = 4 π r2  r=4πS=4 3.14169228.5657  h=r=8.5657=8.57 dm



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