Crossing of line under dotted line to 3rd corner from 1st corner at 0°
<ul><li><a href="//commons.wikimedia.org/wiki/File:BSicon_xKRZ3h%2B1hu.svg" title="File:BSicon xKRZ3h+1hu.svg">BSicon xKRZ3h+1hu.svg</a> <a href="//commons.wikimedia.org/wiki/User:YLSS" title="User:YLSS">YLSS</a></li></ul>
derivative work: <a href="//commons.wikimedia.org/wiki/User:B****n" title="User:B****n">B****n</a>
2018-11-14
Own work based on: <a href="//commons.wikimedia.org/wiki/File:BSicon_xKRZ3h%2B1hu.svg" title="File:BSicon xKRZ3h+1hu.svg">BSicon xKRZ3h+1hu.svg</a>: <a href="//commons.wikimedia.org/wiki/File:BSicon_xKRZ3h%2B1hu.svg" class="image"><img alt="BSicon xKRZ3h+1hu.svg" src="https://upload.wikimedia.org/wikipedia/commons/thumb/1/15/BSicon_xKRZ3h%2B1hu.svg/48px-BSicon_xKRZ3h%2B1hu.svg.png" decoding="async" width="48" height="48" srcset="https://upload.wikimedia.org/wikipedia/commons/thumb/1/15/BSicon_xKRZ3h%2B1hu.svg/72px-BSicon_xKRZ3h%2B1hu.svg.png 1.5x, https://upload.wikimedia.org/wikipedia/commons/thumb/1/15/BSicon_xKRZ3h%2B1hu.svg/96px-BSicon_xKRZ3h%2B1hu.svg.png 2x" data-file-width="500" data-file-height="500"></a>