Author Archives: efofex

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About efofex

Efofex produces graphic production software designed specifically for secondary mathematics and science teachers.

Adding Perpendicular Marks to Altitudes

Posted on March 22, 2014 by efofex

Question: I’m using your gallery image of a rectangular pyramid and working to add details to it. How can I add a dotted line that can serve as an altitude? I can draw the line, but I can’t get the … Continue reading →

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