document.write( "Question 881113: quadrilateral 1 interior angle is 85 the other 3 are 2x, x+20 and 2x+5 what is x and how do i work it out \n" ); document.write( "
Algebra.Com's Answer #532036 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! It's similar to this one: \n" ); document.write( "=========================== \n" ); document.write( "iregular pentagon 2 interior angles are 140 and 75 the other 3 are 2x, 3x, 3x+5 what is x and how do i work it out \n" ); document.write( "------------- \n" ); document.write( "The sum of the Int angles of a pentagon is 540 degs 180*(5 - 2) \n" ); document.write( "----- \n" ); document.write( "140 + 75 + 2x + 3x + 3x+5 = 540 \n" ); document.write( " \n" ); document.write( " |