a solid cylindrical rod of 36 CM length and radius 4 cm is melted to form solid iron sphere of 6 CM diameter .find the number of spheres
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Answer:
16 sphere
Step-by-step explanation:
given , h=36 cm ,r =4cm so volume of cylinder = πr^2 h , π ×4×4× 36 =576 π d of sphere =6 cm radius = 6÷2 =3cm. volume of sphere =4÷3 πr^2. 4÷3 ×π×3×3 ×3 =36π no of sphere= 576π÷36π= 16 sphere
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ʰᵒᵖᵉ ⁱᵗ ʰᵉˡᵖˢ ᵐᵃᵗᵉ
ʰᵃᵛᵉ ᵃ ⁿⁱᶜᵉ ᵈᵃʸ
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