QueenKayyy18
QueenKayyy18
27-02-2018
Mathematics
contestada
Please help meeeeeee!
Respuesta :
calculista
calculista
09-03-2018
we know that
(4x)+(5x+9)=180------------->
supplementary angles
therefore
9x+9=180---------> 9x=180-9
x=171/9=19
x=19
°
the answer is the option E
x=19°
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