(Last Updated On: September 10, 2019)
How to find the area of the triangle formed by the points (5, 2),(-9, -3),(-3, -5).
Solutions:
The formula for finding the area of the triangle formed by
is
![frac{1}{2}|[x_1(y_2-y_3)+x_2(y_3-y_1)+x_3(y_1-y_2)]|,](https://web.archive.org/web/20110805184940/http://www.exampleproblems.com/wiki/images/math/7/6/f/76fb0de872b66bb292e13f78300c1379.png)
Applying the formula,we get
![frac{1}{2}|[5(-3+5)-9(-5-2)-3(2+3)]|,](https://web.archive.org/web/20110805185014/http://www.exampleproblems.com/wiki/images/math/f/b/6/fb62eb0d90c3d1595ae1d57d78325e45.png)
Therefore, the area of the triangle is 29.
List of Similar Problems with Complete Solutions
- How to find the centroid of a polygon
- How to find distance between two points
- Examples Problems with Solutions in Geometry
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