Lesson: Using Determinants to Calculate Areas

In this lesson, we will learn how to use determinants to calculate areas of triangles and parallelograms given the coordinates of their vertices.

Sample Question Videos

Q1:

Find the area of the triangle below using determinants.

Q2:

Find the area of the triangle with vertices , , and .

Q3:

Use determinants to find the area of the triangle with vertices , , and .

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