How many spheres of radius 4mm can each be made from melting a solid iron cone of height 18cm and radius 8 cm
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Answer:
4500
Step-by-step explanation:
Radius of 1 sphere = 4 mm.
volume of 1 sphere = 4/3π×(4)³ mm³
Height and radius of cone is 18 cm and 8 cm respectively.
volume of cone = 1/3 π× (80)²× 180 mm³
No. of sphere = {1/3π ×(80)²×180}÷{4/3π×(4)³} = (6400×180) ÷ (4×64) = 4500
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