find orientation associated with the edge in delaunay triangulation

i creates a Delaunay triangulation using the following lines

X = [y(:,1) x(:,1)];
dt = delaunayTriangulation(X);

How to find orientation associated with the edge to get (ThetaA, ThetaB, ThetaC)

Answer 1

[KSSV]

You have vertices of triangle in hand...use this function:

https://in.mathworks.com/matlabcentral/fileexchange/37389-find-angles?focused=5234950&tab=function

[KSSV]

x = rand(10,1) ; % a randoms data 
y = rand(10,1) ;
dt = delaunayTriangulation(x,y) ;   % delaunay triangulation 
points = dt.Points ;    % points 
tri = dt.ConnectivityList ;    % nodal connectivity 
x = points(:,1) ;  
X = x(tri) ;
y = points(:,2) ;
Y = y(tri) ;
nel = size(tri,1) ;
Angles = zeros(nel,3) ;
for i = 1:nel
    Angles(i,:) = FindAngles([X(i,:)' Y(i,:)']) ;
end

[Elysi Cochin]

Thank you sir