</u></b></font><font face="¹ÙÅÁ">Pick center point and end point</font>
  &lt;<font face="Courier New">Pick center point&gt;/2point:</font><font face="±¼¸²"> {p1}</font>      <font face="±¼¸²">[Pick center point ]</font>
  <font face="Courier New">pick end point:</font><font face="±¼¸²"> {p2}</font>            <font face="±¼¸²">[Pick end point]</font>
                       <font face="±¼¸²">Program draws opposite side by referencing to angle of p1 and p2.</font>
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