a ray bd has been made by increasing ray bc of a triangle abc .if half of angle abc and angle acd are be and ce respectively ,then prove that angle a=2angle e
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the sum of angles of any triangle is equal to 180 degree .
Use this application in two different triangles ABC and BEC .
And the other thing is that the state line makes 180 degree at any point stand on it .
Ex . On point C .
Use this application in two different triangles ABC and BEC .
And the other thing is that the state line makes 180 degree at any point stand on it .
Ex . On point C .
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