How do i remove those dotted lines as show in the picture?

[sandiladhikari]

I don’t know how to remove the dotted lines from the sketchup? I don’t even know what are those lines called.

[MikeWayzovski]

They are called back edges and is a style setting which is triggered by tapping the ‘K’ on the keyboard (shortcut)

[sandiladhikari]

Thank you very much