![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/179623/image.jpeg)
how to find angles of a triangle
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If i know the values of (xi,yi), (xj,yj) and (xu,yu)
how to find the angle thetai and thetaj
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/170938/image.png)
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KALYAN ACHARJYA
il 3 Mar 2018
To find the angle, please follow the following attached figure-
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/179623/image.jpeg)
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Jan
il 5 Mar 2018
@Elysi: The lengths of A and B. Did you learn something about trigonometry in school? See https://en.wikipedia.org/wiki/Trigonometry
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