Răspuns :

Ionicaaaaaaaid

b) x+80+x+x+x+80=360

4x+160=360

4x=200

x=50

c)4x+x+4x+x=360

10x=360

x=36

d)3x+20+x+3x+20+x=360

8x+40=360

8x=320

x=40

g)90+35=125

360-125*2=110

AOD=110

BOA=COD=110:2=55

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