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Prove that sum of all angles …

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Prove that sum of all angles of triangle is 180

    • Posted by Shrikant Gutte 6 years, 2 months ago

    CBSE > Class 09 > Mathematics
    • 1 answers

    Gurleen Sidhu 6 years, 2 months ago

    Let all the angles be x Then we know that a+b+c=180 X+x+x=180 3x=180 X=180/3 X=60 Then if we add 60+60+60,then we get 180 It means that sum of triangle is180

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