I want to find a website where I can enter the names of vertices of a polygon, specify which diagonals should be depicted, and specify the measures of certain angles, and have the website generate a credible figure.

Can you direct me to a website like that?

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    $\begingroup$ geogebra.org $\endgroup$ – Aeryk Aug 23 '18 at 19:05
  • $\begingroup$ @Aeryk A teacher in my building recommended that. But I don't get it. You have to drag points to do it by hand, and I worked for a long time and failed to get the figure I want. There should be a way of typing in the desired values, rather than dragging. It should be one minute's work to create a figure as I described in the question. $\endgroup$ – Chaim Aug 23 '18 at 19:18
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    $\begingroup$ Make yourself familiar with geogebra's command line. It's quite powerful. $\endgroup$ – Jasper Aug 23 '18 at 21:01
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    $\begingroup$ Geogebra and Geometer's Sketchpad are some of the ones used most frequently in schools. That said, you may wish to check the more recent extension of Desmos to this area: desmos.com/geometry $\endgroup$ – Benjamin Dickman Aug 23 '18 at 23:20
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    $\begingroup$ You can definitely use Geogebra without manually dragging. In addition to the command line, the various construction tools can usually be used to create a polygon to your exact specifications without ever dragging anything. $\endgroup$ – mweiss Aug 24 '18 at 1:41

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