text: ---
  layout: default
  title: Level 18
  cat: level
  lang: en
  number: 18
  
  ---
  <p id="goal"><b>Goal:</b>  Given a point A, a line, and a point B. Construct a circle that passes through A and is tangent to the line at B.
  </p>
  
  <p id="winningimg">
  <img src="/img/Level{{page.number}}.png"/ >
  </p>
  <div id="hidden" style="display: none">
  <p id="level">
  Go to <a href="/Level19/">Level 19</a>.
  </p>
  </div>
  <script type="text/javascript">
  	{% include parameters480p.js %}
      parameters.customToolBar = "501 | 5 | 15 | 18 | 10 | 100001 | 100002 | 9 | 4 | 3 | 100003 | 53";
  	parameters.ggbBase64 = "{% base64 ggb/Level18.ggb %}" ;	
  </script>
  
  <div id="applet_container">
  </div>
  
  <script type="text/javascript">
  {% include testobjects.js %}
  
   checkobject("target1");
  
  LevelCompleted(drawn("target1"),4);
  }
  </script>
  