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If each angle of a triangle …

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If each angle of a triangle is greater than the sum of the other two show that the trangle is obtuse angled

    • Posted by Dilip Kumar 5 years, 1 month ago

    CBSE > Class 09 > Mathematics
    • 2 answers

    Gaurav Seth 5 years, 1 month ago

     

     

    let x,y,z be the angle of a triangle

    now, if x+y+z=180

    if x=90,theny+z=90,x=y+z

    then it is right angle triangle

    if x>y+z

    then x must be greater than90

    otherwise either x is 90 or less than90

    so it is a abtuse angle triangle

    0Thank You

    Tejas Agrawal 5 years, 1 month ago

    Don't know

    0Thank You

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