SOLUTION: A steel spacer ring o,2 m thick has an outside diameter of 1,5 m and an inside diameter of 1,3 m. Calculate the volume of steel required to manufacture this ring. Show calculation

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Question 884232: A steel spacer ring o,2 m thick has an outside diameter of 1,5 m and an inside diameter of 1,3 m. Calculate the volume of steel required to manufacture this ring. Show calculation
Found 2 solutions by Fombitz, vleith:
Answer by Fombitz(32388) About Me  (Show Source):
Answer by vleith(2983) About Me  (Show Source):
You can put this solution on YOUR website!
use the volume of a cylinder twice
VolumeOfCylinder+=+pi%2Ar%5E2%2Ah
h = 0.2
So
V+=+%28pi%2A1.5%5E2%2A0.2%29+-+%28pi%2A1.3%5E2%2A0.2%29
solve for that