How many cones of 3 cm. radius and 6 cm in
height are formed by melting a metallic sphere
of radius 9 cm.
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Answer:
4/3*22/7*9*9*9=88*81*3/7
1/3*21/7*3*6*3=18*21/7
n=88*81/18*7
n=2772 cones
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