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In a triangle ABC the sum …

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In a triangle ABC the sum of 2 sides of an angle = the 3rd angle then prove that the angle is right angle

    • Posted by Avishi Mittal 3 years, 3 months ago

    CBSE > Class 09 > Social Science
    • 2 answers

    Prerna Kumari 3 years, 3 months ago

    Let angle(A) + angle (B) = x According to question X=angle(C) Now, X+X=180° Or X=180/2=90° Hence the third angle=90°=sum of other two angles

    0Thank You

    Prathamesh Kane 3 years, 3 months ago

    Yes this called as pithagoras theoram which is applied in only right angled triangle That is a^2+b^2=c^2

    0Thank You

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