fifty-four solid hemispheres,each of diameter 2cm, are melted to form a single sphere. find the radius of the sphere.
Answers
Answered by
2
3 is your answers.......
deepali18:
Have u tried again
yes..
the radius is 3
did you check your process ?
My ans is 6 only
How u solved
??
54x2/3 pie x 1 x1x1 = 4/3 pie R^3
just solve the above one
done... Thankxx a lot
Answered by
26
HEY DEAR....
YOUR ANSWER ⬇
We know that :
• 54×(volume of a H.S)=volume of the sphere.
• 54(⅔πr³)=4/3πr³.
• 54(⅔×π×1×1×1)=4/3×π×r³.
• r³= 54(⅔π)/4/3π
= 27.
therefore, r = ³√27.
= 3.
therefore, the diameter of the sphere is 6 cm.
I HOPE I HAVE HELPED YOU.
YOUR FRIEND.
#LAKSHMI.
YOUR ANSWER ⬇
We know that :
• 54×(volume of a H.S)=volume of the sphere.
• 54(⅔πr³)=4/3πr³.
• 54(⅔×π×1×1×1)=4/3×π×r³.
• r³= 54(⅔π)/4/3π
= 27.
therefore, r = ³√27.
= 3.
therefore, the diameter of the sphere is 6 cm.
I HOPE I HAVE HELPED YOU.
YOUR FRIEND.
#LAKSHMI.
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