Math, asked by riyarimal2061, 11 months ago

plz prove that question​

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Answered by abnishkumar3553
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Proof that the sum of the angles in a triangle is 180 degrees. If ABC is a triangle then <)ABC + <)BCA + <)CAB = 180 degrees. Draw line a through points A and B. ... It is obvious that <)B'CA + <)ACB + <)BCA' = 180 degrees.

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