Conceptintro
Polygon orientation
Also called winding order, clockwise and counterclockwise orientation, signed area sign.
Whether a polygon's vertices are listed clockwise or counterclockwise, determined by the sign of its signed area.
Whether a polygon's vertices are listed clockwise or counterclockwise, determined by the sign of its signed area.
About this page
The build computes these levels from the evidence in the repository. Each row says what the next level needs. Read what the levels mean.
| Ladder | Level | What the next level needs |
|---|---|---|
| Human proof | H0 no proof |
|
| Lean | L0 no Lean part |
|
| Visual | V0 none |
|
| Writing | W0 stub |
|
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