A poster describing various types of angles. (TV: School Reunion)
Auteur's Abecedarium described the Geometrons, geometric creatures from another dimension, as "all angles and no mass". (PROSE: Auteur's Abecedarium)
A poster in a Deffry Vale High School classroom claimed that an acute angle was less than 90° and a right angle was exactly 90°. The poster also described an obtuse angle and another type of angle (TV: School Reunion)
