Using Determinant to find the Area of a Triangle and a Polygon

Examples, solutions, videos, worksheets, games and activities to help Algebra students learn how to use the determinant to find the area of a triangle and a polygon.

Determinants to Find the Area of a Triangle
How to use determinants to find the area of a triangle?

Application of Determinants: Area on the Coordinate Plane
This video shows how to use determinants to calculate the area of a triangle on the coordinate plane.

Determinants to Find the Area of a Polygon
This video shows how to use determinants to find the area enclosed by any polygon.

Try the free Mathway calculator and problem solver below to practice various math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.

We welcome your feedback, comments and questions about this site or page. Please submit your feedback or enquiries via our Feedback page.