document.write( "Question 254965: the ratio of the angle measures in a triangle is 5:12:19. what is the measure off the largest angle? the ratio of the angle measures in a quadrilateral is 1:4:5:6. what is the measure of the smallest angle? \n" ); document.write( "
Algebra.Com's Answer #187257 by drk(1908)\"\" \"About 
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With ratios put an x after them and apply the formula.
\n" ); document.write( "5x + 12x + 19x = 180
\n" ); document.write( "36x = 180
\n" ); document.write( "x = 5
\n" ); document.write( "5*19 = 90
\n" ); document.write( "--
\n" ); document.write( "1x + 4x + 5x + 6x = 360
\n" ); document.write( "16x = 360
\n" ); document.write( "x = 22.5
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