Evelyn Ingram: Today we’re gonna work on interior angles of a convex polygon. Georgie, where’s your brother?

Georgie Cooper: I don’t know, do you really want him here?

Evelyn Ingram: Convex polygons are polygons…

(Teacher Ingram continues to teach like nothing happened…)

From Young Sheldon – Season 2 Episode 15: ‘A Math Emergency and Perky Palms’ (2×15) | Produced by CBS