To calculate: The area of
Answer to Problem 13PT
The area of
Explanation of Solution
Given information:
The coordinates of
Formula used:
For the matrix of order
The determinant is given as
Calculation:
Consider the coordinates of triangle
Write this in matrix form,
Now, area of triangle is
Expand the determinant through the first row,
Recall that for the matrix of order
The determinant is given as
Therefore, determinant of the matrix is given by,
Thus, the area of
Chapter 4 Solutions
Algebra 2
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