mirror of
https://github.com/MartinThoma/LaTeX-examples.git
synced 2025-04-19 11:38:05 +02:00
7740f0147f
The commands
find . -type f -name '*.md' -exec sed --in-place 's/[[:space:]]\+$//' {} \+
and
find . -type f -name '*.tex' -exec sed --in-place 's/[[:space:]]\+$//' {} \+
were used to do so.
64 lines
2.2 KiB
TeX
64 lines
2.2 KiB
TeX
\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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\usetikzlibrary{shapes, calc, decorations}
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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}[very thick,font=\sansmath\sffamily]
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\tkzDefPoint(0, 0){CircleCenter}
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\tkzDrawCircle[R](CircleCenter,3cm)
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% Define 5 points on a circle
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\tkzDefPoint( 30:3){BCT}
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\tkzDefPoint( 90:3){CDT}
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\tkzDefPoint(135:3){DET}
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\tkzDefPoint(215:3){EAT}
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\tkzDefPoint(300:3){ABT}
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% Tangents
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\tkzDefLine[perpendicular=through EAT](CircleCenter,EAT)\tkzGetPoint{EAT2}
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\tkzDefLine[perpendicular=through BCT](CircleCenter,BCT)\tkzGetPoint{BCT2}
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\tkzDefLine[perpendicular=through CDT](CircleCenter,CDT)\tkzGetPoint{CDT2}
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\tkzDefLine[perpendicular=through DET](CircleCenter,DET)\tkzGetPoint{DET2}
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\tkzDefLine[perpendicular=through ABT](CircleCenter,ABT)\tkzGetPoint{ABT2}
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% Find the points by intersecting the tangents
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\tkzInterLL(EAT,EAT2)(ABT,ABT2)\tkzGetPoint{A}
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\tkzInterLL(ABT,ABT2)(BCT,BCT2)\tkzGetPoint{B}
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\tkzInterLL(BCT,BCT2)(CDT,CDT2)\tkzGetPoint{C}
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\tkzInterLL(CDT,CDT2)(DET,DET2)\tkzGetPoint{D}
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\tkzInterLL(DET,DET2)(EAT,EAT2)\tkzGetPoint{E}
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% Background
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\tkzDrawPolygon[thick,fill=gray!10](A,B,C,D,E)
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\tkzDrawSegments(CircleCenter,EAT CircleCenter,BCT CircleCenter,CDT CircleCenter,DET CircleCenter,ABT)
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\tkzLabelSegment[left](CircleCenter,EAT){r}
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\tkzLabelSegment[below](CircleCenter,BCT){r}
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\tkzLabelSegment[right](CircleCenter,CDT){r}
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\tkzLabelSegment[right](CircleCenter,DET){r}
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\tkzLabelSegment[right](CircleCenter,ABT){r}
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% Draw points
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\tkzDrawCircle[R,thick,draw=red](CircleCenter,3cm)
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\tkzLabelPoints[below left,font=\sansmath\sffamily](A)
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\tkzLabelPoints[below right,font=\sansmath\sffamily](B)
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\tkzLabelPoints[above right,font=\sansmath\sffamily](C)
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\tkzLabelPoints[above left,font=\sansmath\sffamily](D)
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\tkzLabelPoints[left,font=\sansmath\sffamily](E)
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% % Draw polygon
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\tkzDrawPolygon[very thick](A,B,C,D,E)
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\end{tikzpicture}
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\end{preview}
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\end{document}
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