ofer coroana si toate punctele
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Răspuns:
AOC=5x
AOC=180
x=180÷5
x=36 grade
AOB=2x+50 grade
AOB=2×36+50
AOB=122 grade
BOC=7x-40
BOC=7×36-40
BOC=212
Sper că te am ajutat:)