Answer :

chudung1976
We have 46°+x°+y°=180°
or 
x°+y°= 180°-46°
and we have x°+y°= 134°
This is the first two-order equation so there are many solutions of the form (x°;y°)
with y°=134-x°. For example (1°;133°) or (90°; 44°)...
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