Math, asked by baluindrapala37, 11 months ago

a solid metallic sphere of diameter v21cm is malted and recast into a number of smaller cones each of diameter 7cm and height 3cm find the number of cones formed

Answers

Answered by PranavBhalerao14
3

Answer:

Volume of sphere= 4/3 ×pie×cube of radius

volume of cone =1/3×pie×sq radius ×height

Step-by-step explanation:

Volume of sphere = 9702 cu.cm

volume of cone = 38.5 cu.cm

number of cone = Volume of sphere/volume of cone

ANSWER IS : 252 CONES

Hope that it will help you

Attachments:
Answered by himanshu406886
2

Answer:

2646

Step-by-step explanation:

radius of the sphere (r) - 10.5 cm

radius of cone (R) - 3.5 cm

height of cone (h) - 3 cm

so,

volume of sphere = n× volume of cone

4/3πr³= 1/3πr²

4× 10.5×10.5×10.5= n×3.5×3.5

4×10.5×10.5×10.5/3.5×3.5=n

n=2646

hence, no. of cone formed are 2646

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