document.write( "Question 1160453: A cylindrical container has a base radius of 4cm and it height 12cm.Calculate its total surface area open at one end \n" ); document.write( "
Algebra.Com's Answer #783758 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "given:
\n" ); document.write( " \"r=4cm\"
\n" ); document.write( "\"h=12cm\"\r
\n" ); document.write( "\n" ); document.write( " total surface area open at one end:\r
\n" ); document.write( "\n" ); document.write( "If you are asked to find the surface area of a cylinder open at one end , then you want to find the areas of the one ends (which is \"r%5E2%2Api\") and the curved surface (which is \"2r%2Api%2Ah\") .
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\n" ); document.write( "\"A=r%5E2%2Api%2B2r%2Api%2Ah\"\r
\n" ); document.write( "\n" ); document.write( "\"A=%284cm%29%5E2%2Api%2B2%2A4cm%2Api%2A12cm\"\r
\n" ); document.write( "\n" ); document.write( "\"A=16%2Api%2Acm%5E2%2B96%2Api%2Acm%5E2\"\r
\n" ); document.write( "\n" ); document.write( "\"A=112%2Api%2Acm%5E2\"->exact\r
\n" ); document.write( "\n" ); document.write( "\"A=351.86%2Acm%5E2\"-> approximately\r
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