Das kann man recht schlicht halten, indem man einfach die 3D-Koordinaten eingibt. [![alt text][1]][1] \documentclass[margin=5pt, tikz]{standalone} \usepackage{tikz} \usetikzlibrary{calc} \begin{document} \pgfmathsetmacro{\a}{4}% \pgfmathsetmacro{\b}{5}% \pgfmathsetmacro{\h}{3}% \begin{tikzpicture}[%scale=0.7, font=\footnotesize, z ={(0,0,-cos(45))}, ] \coordinate[label=left:$A$] (A) at (0,0,0); \coordinate[label=right:$B$] (B) at (\a,0,0); \coordinate[label=right:$C$] (C) at (\a,0,\b); \coordinate[label=below:$D$] (D) at (0,0,\b); \coordinate[] (M) at (0.5*\a,0,0.5*\b); \path[] (M) --+ (0,\h,0) coordinate[label=$S$] (S); % Grundfläche \fill[lightgray] (A) -- (B) -- (C) -- (D) --cycle; \draw[] (A) -- (B) node[midway, below]{$a=\a$\,cm} -- (C) node[pos=0.6, sloped, below]{$b=\b$\,cm}; \draw[densely dashed] (A) -- (D) -- (C); % Höhe \draw[] ($(M)!-5pt!(C)$) -- ($(M)!5pt!(C)$) ; \draw[] ($(M)!-5pt!(B)$) -- ($(M)!5pt!(B)$) ; \draw[] (M) -- (S) node[midway, right]{$h=\pgfmathprintnumber[precision=2]{\h}$\,cm}; right]{$h=\h$\,cm}; % Mantellinien \draw[densely dashed] (D) -- (S); \foreach \P in {A,B,C}{ \draw[] (\P) -- (S); } \begin{scope}[-latex, shift={(0,\h-0.3,0)}] \foreach \P/\s/\Pos in {(1,0,0)/x/below, (0,1,0)/y/left, (0,0,2)/z/right} \draw[] (0,0,0) -- \P node[\Pos, pos=0.9,inner sep=2pt]{$\s$}; \end{scope} \end{tikzpicture} \end{document} [1]: https://matheplanet.de/matheplanet/nuke/html/uploads/b/50970_17_565555555.pnghttps://matheplanet.de/matheplanet/nuke/html/uploads/b/50970_18_565555555.png

Das kann man recht schlicht halten, indem man einfach die 3D-Koordinaten eingibt. [![alt text][1]][1] \documentclass[margin=5pt, tikz]{standalone} \usepackage{tikz} \usetikzlibrary{calc} \begin{document} \pgfmathsetmacro{\a}{4}% \pgfmathsetmacro{\b}{5}% \pgfmathsetmacro{\h}{3}% \begin{tikzpicture}[%scale=0.7, font=\footnotesize, z ={(0,0,-cos(45))}, ] \coordinate[label=left:$A$] (A) at (0,0,0); \coordinate[label=right:$B$] (B) at (\a,0,0); \coordinate[label=right:$C$] (C) at (\a,0,\b); \coordinate[label=below:$D$] (D) at (0,0,\b); \coordinate[] (M) at (0.5*\a,0,0.5*\b); \path[] (M) --+ (0,\h,0) coordinate[label=$S$] (S); % Grundfläche \fill[lightgray] (A) -- (B) -- (C) -- (D) --cycle; \draw[] (A) -- (B) node[midway, below]{$a=\a$\,cm} -- (C) node[pos=0.6, sloped, below]{$b=\b$\,cm}; \draw[densely dashed] (A) -- (D) -- (C); % Höhe \draw[] ($(M)!-5pt!(C)$) -- ($(M)!5pt!(C)$) ; \draw[] ($(M)!-5pt!(B)$) -- ($(M)!5pt!(B)$) ; \draw[] (M) -- (S) node[midway, right]{$h=\pgfmathprintnumber[precision=2]{\h}$\,cm}; % Mantellinien \draw[densely dashed] (D) -- (S); \foreach \P in {A,B,C}{ \draw[] (\P) -- (S); } \begin{scope}[-latex, shift={(0,\h-0.3,0)}] \foreach \P/\s/\Pos in {(1,0,0)/x/below, (0,1,0)/y/left, (0,0,2)/z/right} \draw[] (0,0,0) -- \P node[\Pos, pos=0.9,inner sep=2pt]{$\s$}; \end{scope} \end{tikzpicture} \end{document} [1]: https://matheplanet.de/matheplanet/nuke/html/uploads/b/50970_16_565555555.pnghttps://matheplanet.de/matheplanet/nuke/html/uploads/b/50970_17_565555555.png

Das kann man recht schlicht halten, indem man einfach die 3D-Koordinaten eingibt. [![alt text][1]][1] \documentclass[margin=5pt, tikz]{standalone} \usepackage{tikz} \usetikzlibrary{calc} \begin{document} \pgfmathsetmacro{\a}{4}% \pgfmathsetmacro{\b}{5}% \pgfmathsetmacro{\h}{3}% \begin{tikzpicture}[%scale=0.7, font=\footnotesize, z ={(0,0,-cos(45))}, ] \coordinate[label=left:$A$] (A) at (0,0,0); \coordinate[label=right:$B$] (B) at (\a,0,0); \coordinate[label=right:$C$] (C) at (\a,0,\b); \coordinate[label=below:$D$] (D) at (0,0,\b); \coordinate[] (M) at (0.5*\a,0,0.5*\b); \path[] (M) --+ (0,\h,0) coordinate[label=$S$] (S); % Grundfläche \draw[] (A) -- (B) node[midway, below]{$a=\a$\,cm} -- (C) node[pos=0.6, sloped, below]{$b=\b$\,cm}; \draw[densely dashed] (A) -- (D) -- (C); % Höhe \draw[] ($(M)!-5pt!(C)$) -- ($(M)!5pt!(C)$) ; \draw[] ($(M)!-5pt!(B)$) -- ($(M)!5pt!(B)$) ; \draw[] (M) -- (S) node[midway, right]{$h=\pgfmathprintnumber[precision=2]{\h}$\,cm}; % Mantellinien \draw[densely dashed] (D) -- (S); \draw[] ($(M)!-5pt!(C)$) -- ($(M)!5pt!(C)$) ; \draw[] ($(M)!-5pt!(B)$) -- ($(M)!5pt!(B)$) ; \draw[] (M) -- (S) node[midway, right]{$h=\pgfmathprintnumber[precision=2]{\h}$\,cm}; % Mantellinien \foreach \P in {A,B,C}{ \draw[] (\P) -- (S); } \begin{scope}[-latex, shift={(0,\h-0.3,0)}] \foreach \P/\s/\Pos in {(1,0,0)/x/below, (0,1,0)/y/left, (0,0,2)/z/right} \draw[] (0,0,0) -- \P node[\Pos, pos=0.9,inner sep=2pt]{$\s$}; \end{scope} \end{tikzpicture} \end{document} [1]: https://matheplanet.de/matheplanet/nuke/html/uploads/b/50970_16_565555555.png

Das kann man recht schlicht halten, indem man einfach die 3D-Koordinaten eingibt. [![alt text][1]][1] \documentclass[margin=5pt, tikz]{standalone} \usepackage{tikz} \usetikzlibrary{calc} \begin{document} \pgfmathsetmacro{\a}{4}% \pgfmathsetmacro{\b}{5}% \pgfmathsetmacro{\h}{3}% \pgfmathsetmacro{\d}{sqrt(2)*\a} % \pgfmathsetmacro{\h}{sqrt(\a^2-(0.5*\d)^2)} % \begin{tikzpicture}[%scale=0.7, font=\footnotesize, z ={(0,0,-cos(45))}, ] \coordinate[label=left:$A$] (A) at (0,0,0); \coordinate[label=right:$B$] (B) at (\a,0,0); \coordinate[label=right:$C$] (C) at (\a,0,\b); \coordinate[label=below:$D$] (D) at (0,0,\b); \coordinate[] (M) at (0.5*\a,0,0.5*\b); \path[] (M) --+ (0,\h,0) coordinate[label=$S$] (S); % Grundfläche \draw[] (A) -- (B) node[midway, below]{$a=\a$\,cm} -- (C) node[pos=0.6, sloped, below]{$b=\b$\,cm}; \draw[densely dashed] (A) -- (D) -- (C); % Höhe \draw[densely dashed] (D) -- (S); \draw[] ($(M)!-5pt!(C)$) -- ($(M)!5pt!(C)$) ; \draw[] ($(M)!-5pt!(B)$) -- ($(M)!5pt!(B)$) ; \draw[] (M) -- (S) node[midway, right]{$h=\pgfmathprintnumber[precision=2]{\h}$\,cm}; % Mantellinien \foreach \P in {A,B,C}{ \draw[] (\P) -- (S); } \begin{scope}[-latex, shift={(0,\h-0.3,0)}] \foreach \P/\s/\Pos in {(1,0,0)/x/below, (0,1,0)/y/left, (0,0,2)/z/right} \draw[] (0,0,0) -- \P node[\Pos, pos=0.9,inner sep=2pt]{$\s$}; \end{scope} \end{tikzpicture} \end{document} [1]: https://matheplanet.de/matheplanet/nuke/html/uploads/b/50970_16_565555555.png

Das kann man recht schlicht halten, indem man einfach die 3D-Koordinaten eingibt. [![alt text][1]][1] \documentclass[margin=5pt, tikz]{standalone} \usepackage{tikz} \usetikzlibrary{calc} \begin{document} \pgfmathsetmacro{\a}{4}% \pgfmathsetmacro{\b}{5}% \pgfmathsetmacro{\h}{3}% \pgfmathsetmacro{\d}{sqrt(2)*\a} % \pgfmathsetmacro{\h}{sqrt(\a^2-(0.5*\d)^2)} % \begin{tikzpicture}[%scale=0.7, font=\footnotesize, z ={(0,0,-cos(45))}, ] \coordinate[label=left:$A$] (A) at (0,0,0); \coordinate[label=right:$B$] (B) at (\a,0,0); \coordinate[label=right:$C$] (C) at (\a,0,\b); \coordinate[label=below:$D$] (D) at (0,0,\b); \coordinate[] (M) at (0.5*\a,0,0.5*\b); \path[] (M) --+ (0,\h,0) coordinate[label=$S$] (S); % Grundfläche \draw[] (A) -- (B) node[midway, below]{$a=\a$\,cm} -- (C) node[pos=0.6, sloped, below]{$b=\b$\,cm}; \draw[densely dashed] (A) -- (D) -- (C); % Höhe \draw[densely dashed] (D) -- (S); \draw[] ($(M)!-5pt!(C)$) -- ($(M)!5pt!(C)$) ; \draw[] ($(M)!-5pt!(B)$) -- ($(M)!5pt!(B)$) ; \draw[] (M) -- (S) node[midway, right]{$h=\pgfmathprintnumber[precision=2]{\h}$\,cm}; % Mantellinien \foreach \P in {A,B,C}{ \draw[] (\P) -- (S); } \begin{scope}[-latex, shift={(0,\h-0.3,0)}] \foreach \P/\s/\Pos in {(1,0,0)/x/below, (0,1,0)/y/left, (0,0,2)/z/right} \draw[] (0,0,0) -- \P node[\Pos, pos=0.9,inner sep=2pt]{$\s$}; \end{scope} \end{tikzpicture} \end{document} [1]: https://matheplanet.de/matheplanet/nuke/html/uploads/b/50970_16_565555555.png