a sphere of radius 12 cm is melted and cons of radius 3 cm and height 4 cm are formed how many such corns can be formed
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sphere;
r: 12cm
cone:
r : 3cm h: 4cm
csa of sphere= volume of cone
4PIr² = 1÷3 PI r²h
4× PI12²= 1÷3 3²× 4
PI and PI cancel
4× 121= 1÷ 3 9 ×4
484=12
484÷ 12
40.3........
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