Find the area of triangle.
Answer to Problem 73E
Explanation of Solution
Given information:
Use determinants to find the area of a triangle with vertices
Area
Calculation:
We have to find out the area of a triangle with vertices
The area of a triangle whose vertices are given as
Where the symbol
Using the above formula we get,
Hence the area of triangle is given by
Let us consider that
From the graph we can see that the height of the triangle is
Area
Hence, the area of triangle
Chapter 8 Solutions
EBK PRECALCULUS W/LIMITS
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