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Polygons, n = number of sides, l = length - Coggle Diagram

- - - - (n-2) x 180)
    - - (n-2 x 180) / n
  - - - 360 (ALWAYS)
    - - 360 / n
- - - - Use the length of each side of the shape and multiply it by half of the length of the total shape. (if you don't understand after class ask me)
      - Step 2: Multiply the triangles by the number of sides