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10th Class Mathematics Triangles Question Bank Triangles

  • question_answer
    In rhombus\[PQRS,P{{Q}^{2}}+Q{{R}^{2}}+R{{S}^{2}}+S{{P}^{2}}=\].....

    A)  \[P{{R}^{2}}+S{{Q}^{2}}\]            

    B)  \[O{{S}^{2}}+P{{R}^{2}}\]     

    C)  \[O{{R}^{2}}+O{{S}^{2}}\]                       

    D)  \[O{{P}^{2}}+O{{R}^{2}}\]         

    Correct Answer: A

    Solution :

    (a): Sum of squares of sides = Sum of square of diagonals. 


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