2D Shapes

🟦 Definition

2D shapes are flat shapes.
They have length and width, but no depth.

🔷 Common 2D Shapes

• Circle – round, no sides
  
  

• Triangle – 3 sides
  
  

• Square – 4 equal sides
  
  

• Rectangle – 4 sides, opposite sides equal
  
  

• Hexagon – 6 sides
  
  

🧊 Example

A book cover is shaped like a rectangle.
A clock might be a circle.

🧠 Why It Matters

Knowing 2D shapes helps us:

• Describe objects
  
  

• Sort by shape
  
  

• Understand geometry