Math, asked by santhoshvijayam8800, 16 hours ago

Exerimentally prove that sum of all angle of triangle is 180

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Answered by prithy06

Answer:Draw line a through points A and B. Draw line b through point C and parallel to line a. Since lines a and b are parallel, <)BAC = <)B'CA and <)ABC = <)BCA'. It is obvious that <)B'CA + <)ACB + <)BCA' = 180 degrees.

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