%
tkzDefPoint(-0.7,-0.1){A}
tkzDefPoint(0.4,-0.3){B}
tkzDefPoint(0.1,0.4){C}

%
%
%
tkzClipCircle(O,Z)

%
tkzMarkAngles[fill= orange,size=0.45cm,opacity=.3](B,A,C)
tkzLabelAngle[pos=0.35](B,A,C){$alpha$}

tkzMarkAngles[fill= orange,size=0.4cm,opacity=.3](C,B,A)
tkzLabelAngle[pos=0.3](C,B,A){$beta$}

tkzMarkAngles[fill= orange,size=0.3cm,opacity=.3](A,C,B)
tkzLabelAngle[pos=0.2](A,C,B){$gamma$}

%
tkzDrawCircle[fill,orthogonal through=A and B,color=white](O,Z)
tkzDrawCircle[fill,orthogonal through=A and C,color=white](O,Z)
tkzDrawCircle[fill,orthogonal through=B and C,color=white](O,Z)

%
tkzDrawCircle(O,Z)

%
tkzDrawCircle[orthogonal through=A and B,color=green](O,Z)
tkzDrawCircle[orthogonal through=A and C,color=blue](O,Z)
tkzDrawCircle[orthogonal through=B and C,color=red](O,Z)

%
tkzDrawPoints[color=black,fill=red,size=11](A,B,C)
tkzLabelPoints(A,B,C)
end{tikzpicture}