A solid sphere of radius 4 cm is melted and drawn into a cylindrical wire of radius 4 mm

MATHEMATICS · Single correct · CBSE · Mathematics · Surface Areas and Volumes · Surface Areas and Volumes

Problem

A solid sphere of radius 4 cm is melted and drawn into a cylindrical wire of radius 4 mm. What is the length of the wire formed? (a)

540\text{ cm}

(b)

530\text{ cm}

(c)

533\text{ cm}

(d)

426\text{ cm}