lass="n">line</span><span class="o">=</span><span class="mf">2.5</span><span class="p">,</span>
             <span class="n">cex</span><span class="o">=</span><span class="mf">0.8</span><span class="p">))</span>

<span class="n">plot</span><span class="p">(</span><span class="n">shape</span> <span class="p">,</span> <span class="n">add</span> <span class="o">=</span> <span class="n">TRUE</span><span class="p">)</span>
</pre></div>
</div>
</div></blockquote>
<div class="figure align-center" id="id13">
<a cla