Snapping to vertex plane while editing in ArcMap?

Question

Occasionally when I edit a new polygon feature I want to finish one side of it exactly where it meets the plane of an existing vertex of another feature (in order to create a 90 degree angle to that vertex).

This ability exists on AutoCAD (as can be seen in the picture attached), but I haven't found a way to do that on ArcGIS Desktop. I usually work around this problem by making bigger shapes than necessary and then trimming what I don't need.

Anybody know a solution?

Answer 1

If snapping to an existing vertex is you problem than you want the snapping toolbar and enable vertex snapping.

There are three ways to do right angle line segments.

Use the right angle tool from the editing toolbar.

You can just use the perpandicular constraint

Or you can use the angle and length