SOLUTION: a sphere has radius 7/2cm. a cone has radius 4cm and height 7cm. which one has the bigger volume
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Question 1191195:  a sphere has radius 7/2cm. a cone has radius 4cm and height 7cm. which one has the bigger volume 
Found 2 solutions by  ikleyn, MathLover1:
Answer by ikleyn(52879)   (Show Source): You can put this solution on YOUR website!
 .
Calculate each volume;  then compare.
Making calculations is the students' honor duty and a privilege.
 
Answer by MathLover1(20850)   (Show Source): You can put this solution on YOUR website!
 
if a sphere has radius , volume is
-> ≈
 if a cone has radius  and height 
->≈
answer: a sphere has the bigger volume
 
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