Problema Solution
a pair of supplementary angles is in the ratio of 4:5
Answer provided by our tutors
Two Angles are Supplementary if they add up to 180 degrees.
Let x and y are the supplementary angles in the ration 4:5 thus
x + y = 180
x : y = 4 : 5
5x = 4y
by solving the system of equations
x + y = 180
5x = 4y
we find
x = 80 degrees
y = 100 degrees
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the pair of supplementary angles are 80 degrees and 100 degrees.