



 
Hi Berania, The key to this problem is the height of the cone. In my diagram I have labeled the height as $h.$ The distance from $C$ to $A$ is 6 fet and the measure of the angle $CAB$ is $25^{o}.$ The triangle $ABC$ is a right triangle. What trig function relates the lengths of the sides $BC$ and $CA$ to the measure of the angle $CAB?$ Penny 



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