va rog urgent!!!!!!!!(

Va Rog Urgent class=

Răspuns :

5×m(∡MOB)=m(∡MOA)
m(∡MOB)+m(∡MOA)=180°
m(∡MOB)+5×m(∡MOB)=180°
6×m(∡MOB)=180°
m(∡MOB)=180°:6=30°
m(∡BON)=90°-30°=60°
m(∡AOM)=180°-30°=150°
m(∡AON)=180°-60°=120°