Cylinder height radius

Calculate the height of the cylinder when r = 10 mm and S = 800 mm2.
Calculate the radius / r / of the cylinder when the height is 20 mm and S = 1000 mm2.

Final Answer:

h1 =  2.7324 mm
r2 =  6.0983 mm

Step-by-step explanation:

r1=10 mm S1=800 mm2  S = 2π r (r+h)  h1=2π r1S1r1=2 3.1416 1080010=2.7324 mm

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