Lauren H. answered 08/26/18
Tutor
4.8
(24)
Experienced High School Chemistry Teacher
The sum of supplementary angles is 90 degrees.
x = (1/4)(90 - x)
4x = 90 - x
5x = 90
x = 18
Heaven L.
asked 08/26/18
Lauren H. answered 08/26/18
Experienced High School Chemistry Teacher
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