SOLUTION: composite figure with a cylinder with a height of 8 cm and a radius of 9 cm plus a cone with a height of 6 cm and radius of 9 cm. What is the Volume? I got 2543.4 cm cubed.

Algebra ->  Volume -> SOLUTION: composite figure with a cylinder with a height of 8 cm and a radius of 9 cm plus a cone with a height of 6 cm and radius of 9 cm. What is the Volume? I got 2543.4 cm cubed.       Log On


   

Question 943610: composite figure with a cylinder with a height of 8 cm and a radius of 9 cm plus a cone with a height of 6 cm and radius of 9 cm. What is the Volume? I got 2543.4 cm cubed.
Answer by Alan3354(69443) About Me  (Show Source):
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composite figure with a cylinder with a height of 8 cm and a radius of 9 cm plus a cone with a height of 6 cm and radius of 9 cm. What is the Volume? I got 2543.4 cm cubed.
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Cylinder: Vol+=+pi%2Ar%5E2%2Ah+=+pi%2A9%5E2%2A8+=+648pi cc
Cone: Vol+=+pi%2Ar%5E2%2Ah%2F3+=+pi%2A9%5E2%2A6%2F3+=+162pi cc
Total = 810pi cc
=~ 2544.69 cc
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You probably rounded more than once.