- A metallic solid sphere of radius 10.5 cm is melted and recast into
small cones of radius 3.5 cm and height 3cm. find the number of cones
so formed. (3)
Answers
Answered by
0
Answer:
by applying the formula of tsa of sphere - tsa of cone
Answered by
3
Answer:
No of cones=126
Step-by-step explanation:
Radius of sphere =10.5cm
Radius of cone=3.5cm
Height of cone=3cm
No. of cones=vol.of sphere/vol.of cone
=(4/3×π×10.5×10.5×10.5) / (1/3×π×3.5×3.5×3)
=126(ans)
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