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%%
%% An UIT Edition example
%%
%% Example 04-06-4 on page 82.
%%
%% Copyright (C) 2012 Vo\ss
%%
%% It may be distributed and/or modified under the conditions
%% of the LaTeX Project Public License, either version 1.3
%% of this license or (at your option) any later version.
%%
%% See http://www.latex-project.org/lppl.txt for details.
%%
% Show page(s) 2,8,10,16
%% ====
\PassOptionsToClass{dvips}{beamer}
\documentclass{exabeamer}
\usepackage[utf8]{inputenc}
%\StartShownPreambleCommands
\usepackage{pst-node} \psset{angleA=90,angleB=-90}
\usepackage{amsmath} \usetheme{Malmoe} \usecolortheme{dove}
%\StopShownPreambleCommands
\begin{document}
\begin{frame}{Right-angled triangle}
\onslide<-6,8>{Pythagoras's theorem\ldots }
\begin{align*} \onslide<8>{a^2+b^2 &= c^2}\\
\onslide<2->{\rnode{A}{\texttt{side}}^2} \onslide<3->{ + }
\onslide<4->{\rnode{B}{\texttt{side}}^2} \onslide<5->{ &= }
\onslide<6->{\rnode{C}{\texttt{hypotenuse}}^2} \end{align*}
\onslide<7>{in words:}\par \onslide<8>{In a right-angled triangle,
the square on the \rnode{h}{hypotenuse} is equal to
the sum of the squares on the other two \rnode{k}{sides}!
\nccurve{->}{k}{A}\nccurve{->}{k}{B}\nccurve{->}{h}{C}}
\end{frame}
\begin{frame}{Right-angled triangle}
\only<-6,8>{Pythagoras's theorem\ldots }
\begin{align*} \only<8>{a^2+b^2 &= c^2}\\
\only<2->{\rnode{A}{\texttt{side}}^2} \only<3->{ + }
\only<4->{\rnode{B}{\texttt{side}}^2} \only<5->{ &= }
\only<6->{\rnode{C}{\texttt{hypotenuse}}^2} \end{align*}
\only<7>{in words:}\par \only<8>{In a right-angled triangle,
the square on the \rnode{h}{hypotenuse} is equal to
the sum of the squares on the other two \rnode{k}{sides}!
\nccurve{->}{k}{A}\nccurve{->}{k}{B}\nccurve{->}{h}{C}}
\end{frame}
\end{document}
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