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Va rag dau coroana. Am nevoie urgent​

Va Rag Dau Coroana Am Nevoie Urgent class=

Răspuns :

A)

AOB=X+15

BOC=2X-6

AOC=3X-15

AOB+BOC+AOC=360

X+15+2X-6+3X-15=360

6X-6=360

6(X-1)=360

X-1=60

X=61

AOB=76

BOC=116

AOC=168

B)

OM-BISECTOARE UNGHIULUI AOC =>

MOC=AOC/2=84

COROANA??????