document.write( "Question 597223: I wanted to find the area of a hexagon to determine the amount of glass I need. I measured diagonal and it was 40 inches. \n" ); document.write( "
Algebra.Com's Answer #378078 by Alan3354(69443)\"\" \"About 
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I wanted to find the area of a hexagon to determine the amount of glass I need. I measured diagonal and it was 40 inches.
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\n" ); document.write( "The diagonal, from vertex to vertex, not across the flats, is 2x the radius.
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\n" ); document.write( "\"Area+=+%28nR%5E2%29%2F2%2Asin%28360%2Fn%29\" R = 20, n = 6
\n" ); document.write( "--> \"Area+=+6%2A20%5E2%2Asin%2860%29%2F2+=+2400%2Asqrt%283%29%2F2%2F2+=+600%2Asqrt%283%29\" sq inches
\n" ); document.write( "Area =~ 1039.32 sq inches
\n" ); document.write( "=~ 7.22 sq ft
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