document.write( "Question 168503: The largest angle in a triangle is twice the degree measure of the second largest angle. One-third of the largest angle is 10 degrees larger than the difference of the other two.. Whaat is the measure in degreesof the smallest angle? \n" ); document.write( "
Algebra.Com's Answer #124189 by gonzo(654)\"\" \"About 
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a = largest angle
\n" ); document.write( "b = second largest angle
\n" ); document.write( "c = smallest angle
\n" ); document.write( "-----
\n" ); document.write( "a = 2*b
\n" ); document.write( "(1/3)*a = b - c + 10
\n" ); document.write( "-----
\n" ); document.write( "c formula becomes:
\n" ); document.write( "c = b - (1/3)*a + 10
\n" ); document.write( "which becomes:
\n" ); document.write( "c = b - (2/3)*b + 10
\n" ); document.write( "which becomes
\n" ); document.write( "c = (1/3)*b + 10
\n" ); document.write( "-----
\n" ); document.write( "a + b + c = 180 (sum of angles of a triangle = 180)
\n" ); document.write( "2*b + b + (1/3)*b + 10 = 180
\n" ); document.write( "2*b + b + (1/3)*b = 170
\n" ); document.write( "3*b + (1/3)*b = 170
\n" ); document.write( "multiply both sides by 3:
\n" ); document.write( "9*b + b = 510
\n" ); document.write( "10*b = 510
\n" ); document.write( "b = 51
\n" ); document.write( "-----
\n" ); document.write( "2*b = 102 = a
\n" ); document.write( "c = b - (1/3)*a + 10
\n" ); document.write( "c = 51 - (1/3)*102 + 10
\n" ); document.write( "c = 27
\n" ); document.write( "-----
\n" ); document.write( "a = 102
\n" ); document.write( "b = 51
\n" ); document.write( "c = 27
\n" ); document.write( "-----
\n" ); document.write( "a + b + c = 180
\n" ); document.write( "102 + 51 + 27 = 180
\n" ); document.write( "180 = 180
\n" ); document.write( "ok
\n" ); document.write( "-----
\n" ); document.write( "a = 2 * b
\n" ); document.write( "102 = 2 * 51
\n" ); document.write( "102 = 102
\n" ); document.write( "ok
\n" ); document.write( "-----
\n" ); document.write( "(1/3)*a = (b-c) + 10
\n" ); document.write( "1/3)*102 = (51 - 27) + 10
\n" ); document.write( "34 = 30
\n" ); document.write( "ok
\n" ); document.write( "-----
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