Download Add to Favorites Add to Folder creative writing children's book activities classroom tools language arts and writing vocabulary Create new folderCREATE NEW FOLDER Share Students demonstrate their ability to distinguish between right, acute, and obtuse triangles by identifying such triangles in pictures. Authored by: Scott Foresman, an imprint of Pearson Grade: 4 Subjects: Geometric Figures Right-Triangle Relationships Mathematics Geometry + show tags TYPE: Worksheets