document.write( "Question 226384: The area of a circle 8 inches in diameter is greater than the combined areas of a circle 6 inches in diameter and a circle 2 inches in diameter by approximately how many square inches?
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Algebra.Com's Answer #168581 by Theo(13342)\"\" \"About 
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area of a circle is equal to \"pi%2Ar%5E2\"
\n" ); document.write( "r equals diameter / 2\r
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\n" ); document.write( "\n" ); document.write( "Circle 1 has a radius of 8/2 = 4 inches.
\n" ); document.write( "Circle 2 has a radius of 6/2 = 3 inches.
\n" ); document.write( "Circle 3 has a radius of 2/2 = 1 inch.\r
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\n" ); document.write( "\n" ); document.write( "Area of circle 1 equals \"pi%2A4%5E2\" = 16*\"pi\"\r
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\n" ); document.write( "\n" ); document.write( "Area of circle 2 equals \"pi%2A3%5E2\" = 9*\"pi\"\r
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\n" ); document.write( "\n" ); document.write( "Area of circle 3 equals \"pi%2A1%5E2\" = 1*\"pi\"\r
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\n" ); document.write( "\n" ); document.write( "Differences in the areas is (16-9-1)*\"pi\" equals 6*\"pi\" equals 18.84955592 square inches.\r
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