document.write( "Question 360529: four interior angles of a pentagon each measure 110. what is the measure of the fifth interior angle? \n" ); document.write( "
Algebra.Com's Answer #257253 by checkley77(12844)\"\" \"About 
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180(n-1)=180(5-1)=180*4=720 total degrees for the interior angles of the pentagon.
\n" ); document.write( "4*110=440 degrees for the 4 angles.
\n" ); document.write( "720-440=280 degrees for the fifth angle.
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