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. VA ROG AJUTORRR !!!!!!!!!!!! URGENT​

VA ROG AJUTORRR URGENT class=

Răspuns :

AOB+BOC+COD+DOA=360°

90°+60°+50°+COD=360°

200°+COD=360°

COD=160°

ABC+CBD+DBE+EBA=360°

ABC=EBA-2°

CBD=EBA-4°

DBE=EBA-6°

EBA-2+EBA-4+EBA16+EBA=360

4EBA-12=360

4EBA=360-12

4EBA=348

EBA=348:4

EBA =87

ABC=87-2=85

CBD=87-4=83

DBE=87-6=81