- S, children experience a narrow representation of a triangle. In contrast http://www.mobilefud.com/story.php?title=s-children-experience-a-narrow-representation-of-a-triangle-in-contrast S, children experience a narrow representation of a triangle. In contrastS, children experience a narrow representation of a triangle. In contrast, another picture book may include only a page or two with illustrations of triangles but include several scalene, isosceles, and right triangles as well as equilateral. Insufficient attention has been paid to theIllustrated books may have a unique Wed, 03 Jan 2018 13:40:06 PST en