document.write( "Question 258244: Find the degree measure of one interior and one exterior.
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\n" ); document.write( "( 20 sides polygon)
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Algebra.Com's Answer #190108 by stanbon(75887)\"\" \"About 
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Find the degree measure of one interior and one exterior.\r
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\n" ); document.write( "The sum of the exterior angles is 360 degrees.
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\n" ); document.write( "Each exterior angle has measure = 360/20 = 18 degrees
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\n" ); document.write( "Each interior angle is the supplement of an exterior angle.
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\n" ); document.write( "Each interior angle is 180-18 = 162 degrees
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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