Question

ex 9 urgent dau coroana multumesc

Answer 1

<Aob, <Cob, <Coa unghiuri in jurul unui punct =>> m(aob)+m(cob)+m(coa)= 360*

2x+50*+6x+x+40*=360
9x+90*=360*|-90*
9x=270|:9
x=30*
<aob=2x+50*=30x2+50=60+50=110
<cob=6x=6x30=180
<coa=x+40=30+40=70