A solid cylinder of radius 7cm and height 14cm is melted and recast into spheres each of radius 3.5 cm. Find the number of cones formed
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Step-by-step explanation:
- volume of cylinder= πr2h
- hight=14cm , radius =7cm
- so volume =22/7*14*7*7 cm3
- =2156 cm3
- volume of sphere = 4/3πr3
- volume =4/3*22/7*35/10*35/10
- 14600/300 = 146/3 cm3
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