# the triangle

 Basics
 Things & Objects
2800+ free images for students, parents & teachers!
All pictures can be used free of charge for personal, non-commercial use.
As a teacher you may also use them free of charge in your classroom.
A triangle is a polygon with three edges and three vertices. It is one of the basic shapes in geometry. A triangle with vertices A, B, and C is denoted ${\displaystyle \triangle ABC}$.