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dau coroana va rog pliz

Dau Coroana Va Rog Pliz class=

Răspuns :

Fie <POM=x, din ipoteza stiu ca <BOC=5x
<AOC=<AOB+<BOC
<AOB=2<AOM=2*2<POM=4x
180 grd=4x+5x=9x
x=180/9=20 grd
<AOM=2x=2*20=40 grd
<MOB=<AOM=40 grd
<AOQ=<POQ - <AOP=180-x=160 grd 
<BOQ=<BOC+<COQ=<BOC+<AOP=5x+x=6x=120 grd