Answers

2016-03-17T08:40:13+05:30
Volume of 504 cone=volume of sphere formed
let the radius of sphere be r
504×1/3×π×r'^2×h=4/3×π×r^3
504×35/20×35/20×3=4r^3
( 63×7×7×3)/4×2=r^3
7×3×3×7×7×3/2×2×2=r^3
21/2=r

radius of sphere willbe 21/2cm
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