Question: 87) If a solid metal ball is melted and recast to form a hollow pipe, whose inner diameter is 5.8 cm and whose outer diameter

87) If a solid metal ball is melted and recast to form a hollow pipe, whose inner diameter is 5.8 cm and whose outer diameter is 6 cm, how long of a pipe can be made if the ball has a radius of 12 cm? 12

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