Question

va roggg dauu coronaa​

Answer 1

Răspuns:

<AOB+<BOC+<COD+<DOE+<EOA=360°

x°+20°+x°+15°+2x°-5°+2x°-20°+2x°-10°=360°

8x°=360°/:8

x°=45°

<AOB=45°+20°=65°

<BOC=45°+15°=60°

<AOC=<AOB+<BOC=65°+60°=125°

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