Cones 3cm high and 3.5cm radius are made by melting sphere of 10.5cm radii find no. of cone are formed
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Step-by-step explanation:
hey buddy!!
given
radius of sphere = 10.5 cm
radius of cone = 3.5 cm
height of cone = 3 cm
So, Number of cones formed is
[4/3 pi r³] / [1/3 pi r²h]
=4 r³/r²h
=(4*10.5*10.5*10.5) / (3.5*3.5*3)
=4*3*3*3.5
=9*14
=126 cones[ Ans]
hope it helps!!!
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