|Each time I have needed to draw something in 2D using known lengths I've being returning to AutoCAD, libreCad and other options out there simply work different and, as I learned to use it years ago, it's frustrating.
Found NanoCAD and let me tell you this works exactly like AutoCAD 2010 +/-.
Super lightweight, free and working like AutoCAD program that you can download from nanoCAD - cheap, easy-to-use CAD software with free download option[^]
In case there is any doubt check their global downloads page... I'm referring to the free nanoCAD 5.0 option[^].
Hope this helps.
modified 5-Mar-21 5:40am.