Question

a wire of diameter 4cm was melted to make sphere of radius 3 cm what is the length of the wire??​

Answer 1

Step-by-step explanation:

volume of both will equal

volume of wire= pi×radius^2×height

volume of sphere = 4/3×pi×radius^3

diameter =4cm

radius=2

pi×2^2×height= 4/3×pi×3^3

height ×4 = 36

height = 9

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