document.write( "Question 902287: What is the area of a disk with a radius Z hieght A?Explain.\r
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Algebra.Com's Answer #547211 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
Surface area?
\n" ); document.write( "Front and back faces : \"A%5Bs1%5D=2%2A%28pi%2AR%5E2%29=2piZ%5E2\"
\n" ); document.write( "Cylindrical portion : \"A%5Bs2%5D=2%2Api%2AR%2AH=2%2Api%2AZ%2AA\"
\n" ); document.write( "Total area : \"A%5Bs%5D=2pi%2AZ%5E2%2B2pi%2AZA\"
\n" ); document.write( "\"A%5Bs%5D=2pi%2AZ%28Z%2BA%29\"
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