Răspuns:
∆ABC isoscel(AB=AC)
unghiul A=<B=(180-100)/2=80/2=40°
<AKC=<KCB=40/2=20°
m(<AKC)=20°
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Răspuns:
∆ABC isoscel(AB=AC)
unghiul A=<B=(180-100)/2=80/2=40°
<AKC=<KCB=40/2=20°
m(<AKC)=20°