Wikijunior:Visual Math/identify geometric features of common objects

A flag is really a rectangle. A flag has four sides, opposite sides of equal length, and four right angles. -- Mrs. Campf

I saw a stop sign when I was on my way to school. My mom reminded me that a stop sign is an octagon because it has 8 sides. While we were sitting at the corner I counted and she was right. -- Jon C.