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please some one can derrive this theorem for alpha equal to beta i had shown in the image attached

 
please some one can derrive   this   theorem  for   alpha   equal to beta 
 
i had shown in the image attached 

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Grade:12

1 Answers

Vijay Mukati
askIITians Faculty 2590 Points
7 years ago
Dear Student, Since, the angle substended by an arc of a circle at the center is double the angle substended by the arc in alternate segment. Therefore the angle alpha = 2*angle substend at the center. Similarly beta = 2*angle substend at the center.Hence, alpha = beta. Thanks

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