document.write( "Question 989500: formula for the surface area of half a cylinder \n" ); document.write( "

Algebra.Com's Answer #609795 by macston(5194) $\"\"$ $\"About$

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\n" ); document.write( "Area of ends=2 half circles= $\"2%281%2F2%29%28pi%29r%5E2=%28pi%29r%5E2\"$
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\n" ); document.write( "Area of flat side=diameter x height=2rh
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\n" ); document.write( "Area of curved side= $\"%281%2F2%29%28pi%29diameter%28h%29=%28pi%29rh\"$
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\n" ); document.write( "Surface area=(area of ends)+(area of flat side)+(area of curved side)
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\n" ); document.write( "Surface area= $\"%28pi%29r%5E2%2B2rh%2B%28pi%29rh\"$
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\n" ); document.write( "Surface area= $\"r%28%28pi%29r%2B2h%2B%28pi%29h%29\"$ \n" ); document.write( "

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