\documentclass[tikz]{standalone}
\usepackage{pgfplots}
\pgfplotsset{compat=1.15}
\usepackage{mathrsfs}
\usetikzlibrary{arrows,calc}
\usepackage{tkz-euclide}
\pagestyle{empty}
\definecolor{AngleClr}{rgb}{0,0.39215686274509803,0}
\definecolor{ShapeClr}{rgb}{0.6,0.2,0}
\definecolor{BlueSqr}{RGB}{5,81,163}
\definecolor{RedSqr}{RGB}{199, 28, 16}
\begin{document}
\begin{tikzpicture}[scale=.75]
\tkzSetUpLine[line width=1pt,color=black]
\tkzSetUpPoint[fill=black]
\tkzDefPoints{0/-2/D,6/-2/C,1/1/A,5/1/B}
\tkzDefPointBy[projection=onto C--D](A)\tkzGetPoint{A'}
\tkzDefPointBy[projection=onto C--D](B)\tkzGetPoint{B'}
\tkzDefCircle[circum](A,B,C) \tkzGetPoint{O}
\tkzFillPolygon[fill=ShapeClr,fill opacity=0.1,inner sep=1cm](A,B,C,D)
\tkzDrawCircle[line width=1.0pt, color=black](O,A)
\tkzDrawSegments[line width=0.5pt,color=black,dashed,dash pattern=on 1pt off 1.75pt](A,A' B,B')
\tkzFillAngles[fill=AngleClr,size=.4,fill opacity=0.1](B,D,A B,C,A)
\tkzMarkAngles[line width=1pt,color=AngleClr,size=.4](B,D,A B,C,A)
\tkzLabelAngles[scale=0.65,pos=1.1](B,D,A B,C,A){$\theta_3$}
\tkzFillAngles[fill=BlueSqr,size=.4,fill opacity=0.1](D,A,C D,B,C)
\tkzMarkAngles[line width=1pt,color=BlueSqr,size=.4](D,A,C D,B,C)
\tkzLabelAngles[scale=0.65,pos=1.1](D,A,C D,B,C){$\theta_1$}
\tkzFillAngles[fill=RedSqr,size=.4,fill opacity=0.1](C,A,B A,B,D C,D,B A,C,D)
\tkzMarkAngles[line width=1pt,color=RedSqr,size=.4](C,A,B A,B,D C,D,B A,C,D)
\tkzLabelAngles[scale=0.65,pos=1.1](C,A,B A,B,D C,D,B A,C,D){$\theta_2$}
\tkzDrawSegments[line width=0.5pt,color=black](A,C B,D)
\tkzDrawPolygon[color=ShapeClr](A,B,C,D)
\tkzDrawPoints[size=3](A,B,C,D)
\tkzDrawPoints[size=2](A',B')
\tkzLabelPoint[above left](A){$\mathrm{A}$}
\tkzLabelPoint[above right](B){$\mathrm{B}$}
\tkzLabelPoint[below right](C){$\mathrm{\Gamma}$};
\tkzLabelPoint[below left](D){$\mathrm{\Delta}$};
\tkzLabelPoint[below](A'){$\mathrm{A}'$}
\tkzLabelPoint[below](B'){$\mathrm{B}'$}
\tkzLabelSegments[above,sloped](A,B){$\alpha$}
\tkzLabelSegments[right=-0.05cm](B,C){$\beta$}
\tkzLabelSegments[below](C,D){$\gamma$}
\tkzLabelSegments[left=-0.05cm](D,A){$\delta$}
\tkzLabelSegments[scale=0.75,below](D,A'){$x$}
\tkzLabelSegments[scale=0.75,below](B',C){$x$}
\end{tikzpicture}
\end{document}