e radius of the cylinder that produces the minimum surface area

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter10: Measurement, Area, And Volume
Section10.8: Volumes Of Pyramids And Cones
Problem 13E
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Question
A solid is formed by adjoining two hemispheres to the ends of a right circular cylinder. The total volume of the solid
is 10 cubic centimeters. Find the radius of the cylinder that produces the minimum surface area. (Round your answer to
two decimal places.)
Hint:
Area of a sphere: 4Tr2
Volume of a sphere: Tr*
4.
3
Volume of a cylinder: Ar² h
Surface area of a cylinder: 2rrh
Transcribed Image Text:A solid is formed by adjoining two hemispheres to the ends of a right circular cylinder. The total volume of the solid is 10 cubic centimeters. Find the radius of the cylinder that produces the minimum surface area. (Round your answer to two decimal places.) Hint: Area of a sphere: 4Tr2 Volume of a sphere: Tr* 4. 3 Volume of a cylinder: Ar² h Surface area of a cylinder: 2rrh
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