document.write( "Question 536369: A cone has a radius of 12 inches and a surface area of 1050 square inches. What is the slant height of a cone to the nearest tenth of an inch? \n" ); document.write( "
Algebra.Com's Answer #352285 by fcabanski(1391)\"\" \"About 
You can put this solution on YOUR website!
Surface area of a cone is \"SA=pi%2Ars%2Bpi%2Ar%5E2\".


\n" ); document.write( "Here r=12 and SA=1050. \"r%5E2=144\"


\n" ); document.write( "\"1050=pi%2A12%2As%2Bpi%2A144\"


\n" ); document.write( "Subtract the \"pi%2A144\" from both sides.


\n" ); document.write( "\"1050-%283.141592%2A144%29=3.141592%2A12%2As\"


\n" ); document.write( "Divide both sides by the 3.141592(which is pi)*12.


\n" ); document.write( "\"%281050-%283.141592%2A144%29%29%2F%283.141592%2A12%29=s=15.852=15.8\"\r
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