A copper wire of length 36 m and diameter 2 mm is melted to form a sphere. The r – OfficerPath

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MCQ Practice

A copper wire of length 36 m and diameter 2 mm is melted to form a sphere. The radius of the sphere (in cm) is :

Subject: MathematicsTopic: Volume And Surface Area

A

2.5 cm

B

3 cm

C

3.5 cm

D

4 cm

Correct Answer: B

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