imgs_tikz-05ej.tex

\documentclass[crop]{standalone}

\usepackage{mhocolorpalettesthlmnord}
\usepackage{mhofonts}
\usepackage{mhomacros}
\usepackage{mhotikz}
\usepackage{mhotkz}
\begin{document}
\begin{tikzpicture}[scale=1.5] 
	\tkzDefPoints{0/0/O, 1/0/A}
	\tkzDefPointBy[rotation=center O angle 100](A)
	\tkzGetPoint{B}
	\tkzDefPointBy[rotation=center O angle 330](A)
	\tkzGetPoint{C}
	\tkzDefPointBy[rotation=center O angle 180](A)
	\tkzGetPoint{D}
	\tkzDefPointBy[rotation=center O angle 45](A)
	\tkzGetPoint{E}
	\tkzDrawCircle[color=Blue](O,A)
	\tkzFillCircle[color=Blue!0](O,A)
	\tkzFillAngles[fill=LightTeal, size=0.4, opacity=0.8](C,D,B)
	\tkzFillAngles[fill=LightTeal, size=0.4, opacity=0.8](E,C,D)
	\tkzFillAngles[fill=LightTeal, size=0.4, opacity=0.8](B,E,C)
	\tkzFillAngles[fill=LightTeal, size=0.4, opacity=0.8](D,B,E)
	\tkzDrawSegments[color=Blue](B,D D,C C,E E,B)
	\tkzDrawPoints[size=1](O)
	\tkzLabelAngles[pos=0.25,font=\scriptsize](C,D,B){\( y \)}
	\tkzLabelAngles[pos=0.25,font=\scriptsize](E,C,D){\( \ang{70} \)}
	\tkzLabelAngles[pos=0.25,font=\scriptsize](B,E,C){\( \ang{115} \)}
	\tkzLabelAngles[pos=0.25,font=\scriptsize](D,B,E){\( x \)}
\end{tikzpicture}
\end{document}