![Summary Notes for Coordinate Geometry, Circles and Proof in Plane Geometry - O Level Add Math - Emily Learning Summary Notes for Coordinate Geometry, Circles and Proof in Plane Geometry - O Level Add Math - Emily Learning](http://emilylearning.com/wp-content/uploads/2021/06/area1.png)
Summary Notes for Coordinate Geometry, Circles and Proof in Plane Geometry - O Level Add Math - Emily Learning
MathType - This formula, known as the shoelace formula, was given by Meister (18th century). It is also known as the surveyor's formula for its application in calculating areas of land patches
![mathcounts notes: Mathcounts Strategy: Shoestring (or Shoelace) method of finding the area of any polygon mathcounts notes: Mathcounts Strategy: Shoestring (or Shoelace) method of finding the area of any polygon](http://3.bp.blogspot.com/_QFL4msacT2c/TUcYg_sDkgI/AAAAAAAAAnQ/vSMTA7Rx-yM/s1600/shoestring+method+presentation.jpg)