SOLUTION: The measure of angle b, the supplement of angle a, is four times the measure of angle c, the complement of angle a.

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 Geometry: Angles, complementary, supplementary angles Solvers Lessons Answers archive Quiz In Depth

 Click here to see ALL problems on Angles Question 347430: The measure of angle b, the supplement of angle a, is four times the measure of angle c, the complement of angle a.Answer by fractalier(2101)   (Show Source): You can put this solution on YOUR website!We can deduce these algebraic facts from yur statements... b + a = 180 b = 4c c + a = 90 If we substitute 4c for b in the first equation, we get 4c + a = 180 c + a = 90 Now subtract equations and get 3c = 90 c = 30 b = 120 a = 60 and all checks out.