Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleMODEL FOR INTRODUCING OVERLAPPING TRIANGLES.AuthorsGrove, Ethel L.PublicationSchool Science & Mathematics, 1951, Vol 51, Issue 6, p454ISSN0036-6803Publication typeArticleDOI10.1111/j.1949-8594.1951.tb06717.x