Posted by Thomas on Saturday, February 26, 2011 at 6:31pm.
Supplementary angles: x + y = 180
From the problem, we can state that: y = (1/4)x
Substituting back to the first equation, we have:
x + (1/4)x = 180
(5/4)x = 180
x = ? (You can calculate this yourself)
As to find the supplementary angle, you can use the result for x by using the equation y = (1/4)x
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