document.write( "Question 70347: Hello, \r
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document.write( "Help! I need to find the surface area of a cone with a radius of 3in and a slant height of 5in.\r
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document.write( "Thank you \n" );
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Algebra.Com's Answer #50173 by ganit(6)![]() ![]() ![]() You can put this solution on YOUR website! For Cone \r \n" ); document.write( "\n" ); document.write( "Lateral Surface Area = ( π * R) * [sqrt(R² + H²)] \n" ); document.write( "Base Surface Area = π * R^2 \n" ); document.write( "Total Surface Area = Lateral SA + Base SA \n" ); document.write( "here,\r \n" ); document.write( "\n" ); document.write( "r=3 in, and slant height =5in which is same as [sqrt (r^2 + h^2) ] \n" ); document.write( "Lateral surface area = π * 3)* 5 =(3.14 *3*5) sq in = 47.1 sq in \n" ); document.write( "Base Surface Area = π *r^2 \n" ); document.write( " = 3.14 * 3*3 \n" ); document.write( " = 28.26 sq in\r \n" ); document.write( "\n" ); document.write( "Total surface area= Lateral SA + Base SA \n" ); document.write( " = 47.1 + 28.26 \n" ); document.write( " = 75.36 sq in \n" ); document.write( " |