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38 lines
1.7 KiB
TeX
38 lines
1.7 KiB
TeX
\documentclass[varwidth=true, border=2pt]{standalone}
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\usepackage{tkz-euclide}
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\begin{document}
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\usetkzobj{all}
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\begin{tikzpicture}
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\tkzSetUpPoint[shape=circle,size=10,color=black,fill=black]
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\tkzSetUpLine[line width=1]
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\tkzDefPoints{0/0/A, 3/0/B, 2/2/C}
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\tkzDefPoints{0/2/Phelper, 1.75/2.5/PaboveLeft, 2.5/2.5/PaboveRight}
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\tkzMarkAngle[arc=l,size=0.7cm,color=red,fill=red!20](B,A,C)
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\tkzMarkAngle[arc=ll,size=0.7cm,color=orange,fill=orange!20](C,B,A)
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\tkzMarkAngle[arc=lll,size=0.7cm,color=green,fill=green!20](A,C,B)
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\tkzMarkAngle[arc=l,size=0.7cm,color=red,fill=red!20](Phelper,C,A)
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\tkzMarkAngle[arc=ll,size=0.7cm,color=orange,fill=orange!20](PaboveLeft,C,Phelper)
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\tkzDefLine[parallel=through C](A,B) \tkzGetPoint{Phelper2}
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\tkzMarkAngle[arc=l,size=0.7cm,color=red,fill=red!20](Phelper2,C,PaboveRight)
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\tkzLabelAngle[pos=0.4](Phelper2,C,PaboveRight){$\alpha$}
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\tkzLabelAngle[pos=-0.4](Phelper,C,A){$\alpha''$}
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\tkzLabelAngle[pos=0.4](B,A,C){$\alpha$}
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\tkzLabelAngle[pos=0.4](C,B,A){$\beta$}
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\tkzLabelAngle[pos=0.4](PaboveLeft,C,Phelper){$\beta$}
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\tkzLabelAngle[pos=0.4](A,C,B){$\gamma$}
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\tkzDrawLine(A,B)
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\tkzDrawLine[add=0.2 and 0.4](A,C)
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\tkzDrawLine[add=0.2 and 0.4](B,C)
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\node at ($(A)+(-0.47,-0.2)$) {$A$};
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\node at ($(B)+(0.35,-0.2)$) {$B$}; % \tkzLabelPoint[below](B){$B$} is not accurate enough
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\node at ($(C)+(0.05,0.3)$) {$C$};
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\tkzDrawLine[add=0.6 and -0.1](C, Phelper2)
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%\tkzMark[mark=||](C, PaboveRight)
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%\tkzLabelLine[pos=0.8,below](A,B){$c$}
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\tkzDrawPoints(A,B,C)
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\tkzLabelSegment[pos=0.7,below](C,Phelper2){$g$}
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\tkzMarkSegments[mark=||](A,B C,Phelper2)
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\end{tikzpicture}
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\end{document}
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