2014-10-04 14:22:36 +02:00
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\documentclass{article}
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\usepackage[pdftex,active,tightpage]{preview}
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\setlength\PreviewBorder{2mm}
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\usepackage{tikz}
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\usepackage{tkz-euclide}
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\usetkzobj{all}
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2015-10-14 14:25:34 +02:00
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\usetikzlibrary{shapes, calc, decorations}
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2014-10-04 14:22:36 +02:00
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\usepackage{amsmath,amssymb}
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\usepackage{helvet}
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\usepackage[eulergreek]{sansmath}
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\begin{document}
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\begin{preview}
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\begin{tikzpicture}[scale=1.5,font=\sansmath\sffamily]
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\tkzDefPoint(0,0){A}
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\tkzDefPoint(4,0){B}
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\tkzDefPoint(2,0){M}
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\tkzDefPoint(3,2){H}
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\tkzInterLC[/tikz/overlay](M,H)(M,B) \tkzGetPoints{E}{C}
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\tkzLabelPoints[above right](C)
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\tkzMarkAngle[fill=blue!30,size=0.6cm,opacity=.5](C,B,A)
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\tkzLabelAngle[pos=0.4](A,B,C){$\beta$}
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\tkzMarkAngle[fill=blue!30,size=0.6cm,opacity=.5](M,C,B)
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\tkzLabelAngle[pos=0.4](B,C,M){$\beta$}
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\tkzMarkAngle[fill=blue!30,size=0.6cm,opacity=.5](B,M,C)
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\tkzLabelAngle[pos=0.4](B,M,C){$\delta$}
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\tkzMarkAngle[fill=blue!30,size=0.6cm,opacity=.5](M,A,C)
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\tkzLabelAngle[pos=0.4](M,A,C){$\alpha$}
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\tkzMarkAngle[fill=blue!30,size=0.6cm,opacity=.5](A,C,M)
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\tkzLabelAngle[pos=0.4](A,C,M){$\alpha$}
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\tkzMarkAngle[fill=blue!30,size=0.6cm,opacity=.5](C,M,A)
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\tkzLabelAngle[pos=0.4](C,M,A){$\gamma$}
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\tkzDrawSector[thick](M,B)(A)
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\tkzLabelSegment[below=-1pt](A,M){$r$}
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\tkzLabelSegment[below=-1pt](M,B){$r$}
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\tkzLabelSegment[right=-1pt](M,C){$r$}
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\tkzLabelPoints[below left](A)
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\tkzLabelPoints[below right](B)
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\tkzLabelPoints[below](M)
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\tkzDrawSegments(A,B B,C C,A)
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\tkzDrawSegments(M,B B,C C,M)
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\end{tikzpicture}
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\end{preview}
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\end{document}
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