Area of triangle (coordinates) (Area from vertices (x1,y1),(x2,y2),(x3,y3).)
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Area from vertices (x1,y1),(x2,y2),(x3,y3).
What each symbol means
| Symbol | What it stands for |
|---|---|
| xi,yi | Coordinates of vertices |
When to use this
Vertices non-collinear for positive area.