SOLUTION: The ratio of supplementary angle and complementary angle of an angle is 11:5 then what is the measure of that angle?

Question 891264: The ratio of supplementary angle and complementary angle of an angle is 11:5 then what is the measure of that angle?
Found 2 solutions by mananth, Fombitz:
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
let the angle be x
(180-x)/(90-x) = 11/5
5(180-x)=11(90-x)
900-5x=990-11x
6x=90
x=90/6
x=15 deg

Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!

.
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.

Substracting,

Substituting,

Then,

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