Tool (.ggt): [url]http://www.geogebratube.org/material/show/id/97764[/url][br][br]I continue to use the same definition of [i]inside[/i] as IsInRegion[]. (more: [url]http://www.geogebratube.org/student/m96425[/url]). Drag point M to see if GGB agrees with how it has shaded Jerome. I think you will find the orange segments and M always agree.