14/10/2015
Vẽ lá cờ tổ quốc trong latex
\documentclass{book}
\usepackage{tkz-euclide}
\usetkzobj{all}
\usepackage[top=0mm,bottom=-.5mm,left=-.5cm,right=0cm,
paperwidth=15cm,paperheight=10cm]{geometry}
\begin{document}
\begin{tikzpicture}[scale=1]
\tkzInit[xmin=-7.5,xmax=7.5,ymin=-5,ymax=5]
\tkzDefPoints{-7.5/-5/X,-7.5/5/Y,7.5/5/Z,7.5/-5/T}
\tkzDrawPolygon[color=red,line width=1pt,fill=red](X,Y,Z,T)
\tkzDefPoints{0/0/A,0/3/B,1.5/0/D}
\tkzDefPointBy[rotation= center D angle 63.43494882](B)
\tkzGetPoint{C}
\tkzInterCC(A,B)(B,C)
\tkzGetFirstPoint{M}
\tkzGetSecondPoint{N}
\tkzInterCC(A,B)(M,B)
\tkzGetFirstPoint{P}
\tkzInterCC(A,B)(P,M)
\tkzGetFirstPoint{Q}
\tkzInterLL(B,P)(M,N)
\tkzGetPoint{I}
\tkzInterLL(B,Q)(M,N)
\tkzGetPoint{J}
\tkzInterLL(B,P)(M,Q)
\tkzGetPoint{K}
\tkzInterLL(N,P)(M,Q)
\tkzGetPoint{L}
\tkzInterLL(N,P)(B,Q)
\tkzGetPoint{E}
\tkzDrawPolygon[color=yellow,line width=1pt,fill=yellow](B,I,M,K,P,L,Q,E,N,J)
\end{tikzpicture}
\end{document}
