three metal balls having radius 3cm,4cm,and 5cm respectively if we melt all three balls together and make one ball .find the radius
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according to me 6 cm.
Ishika160403:
7.06 cm approx...
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volume of sphere = 4/3πr^3
volume of 3 balls
= 4/3π(27+64+125)
=4/3π(216)
=4/3π6^3
therefore the radius of the big ball is 6
volume of 3 balls
= 4/3π(27+64+125)
=4/3π(216)
=4/3π6^3
therefore the radius of the big ball is 6
A diameter of 12cm sphere glass melt to form three small sphere in which diameter ratio is 3:4:5 then find the radius of small sphere.
please get the answer
done
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