document.write( "Question 250286: How do i find the missing angle of a trapezoid if I only have 1 angle that is 40
\n" ); document.write( "the other angles are x-11 2x-1 and x
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Algebra.Com's Answer #182228 by richwmiller(17219)\"\" \"About 
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the sum of the angles is 360
\n" ); document.write( "so \r
\n" ); document.write( "\n" ); document.write( "x-11+2x-1 + x+40=360
\n" ); document.write( "solve for x then go back and calculate the angles.
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