October 7, 2015

Homework Help: engineering

Posted by kyle on Wednesday, October 17, 2012 at 4:43pm.

A string is fit snugly around the circumference of a spherical hot
air balloon. More hot air is added (probably by a prominent scientistís
lecture) and it now takes an additional 12.4 feet of string to fit
around the circumference. What is the increase in diameter?

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