document.write( "Question 1125791: there are 20 identical solid hemisphere . the curved surface and the flat surface of each hemisphere are to be painted red and yellow respectively find the ratio of the amount of red paint needed to the amount of yellow paint needed \n" ); document.write( "

Algebra.Com's Answer #742099 by Alan3354(69443) $\"\"$ $\"About$

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Each curved surface has an area of 2pi*r^2
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