document.write( "Question 605904: a food colander is a hemisphere with diameter 20 cm. Find the volume and internal surface area. \n" ); document.write( "
Algebra.Com's Answer #381852 by solver91311(24713)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "The volume of a sphere is given by \r
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\n" ); document.write( "\n" ); document.write( "The volume of a hemisphere is half of that, \r
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\n" ); document.write( "\n" ); document.write( "The surface area of a sphere is given by \r
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\n" ); document.write( "\n" ); document.write( "The surface area of a hemisphere is half of that, \r
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\n" ); document.write( "\n" ); document.write( "Remember that the radius is half of the diameter.\r
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\n" ); document.write( "\n" ); document.write( "John
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\n" ); document.write( "My calculator said it, I believe it, that settles it
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