A sphere is inscribed in a right cone with base radius 12 cm and height 24 cm, as shown. The radius of the sphere can be expressed as \(a\sqrt{c}-a\) cm. What is the value of a+c?
The radius of the sphere is 6*sqrt(5) - 6, so a + c = 5 + 6 = 11.
What is the value of a+c?
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