please see the attached file for the 3 homework problems

Question

Robert · Accepted Answer

Solution 
A. Surface Area of a spher = 4πR2 
Given Diameter = 0.5in, so its radius = 0.25in 
Surface Area = 0.785 sq inches 
Volume of sphere = 4/3 πR3 
Volume = 0.065 cubic inches 
Surface to Volume Ratio = 12 
B. Cube of side = 2cm 
Surface Area = 6a2 = 24 sq cm 
Volume = a3 = 8 cubic cm 
Surface to Volume Ratio = 3 
C. Length of cylinder = 10 micron  
Base area = 1 micron square 
So its Radius = 0.56 micron 
Surface Area = 2 πR x length = 35.

please see the attached file for the 3 homework problems

Solution

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