Consider 2-D geometry and assume that the points are given in form of rows of a matrix. Find the area of polygon enclosed by the points.

Example:

A = [1 2;4 5; 6 7], represents points (1,2),(4,5) and (6,7)

Note :

  1. There are no repeated rows in matrix.
  2. There are at least 3 rows in matrix.
  3. Coordinates in matrix are arranged in counter-clockwise direction.
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Last Solution submitted on Aug 13, 2026

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Sree Harsha 家铭 Hoang Minh Tri Lorenzo

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