Anubhav193 Anubhav193

17-04-2022
Mathematics

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Verify experimentally the sum of angle of triangle is 180°

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krischalgiri5 krischalgiri5

17-04-2022

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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