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  5. The Triangle and its Properties

7th Class Mathematics The Triangle and its Properties Question Bank Properties of Triangle

  • question_answer
    If two angles in a triangle are \[55{}^\circ \] and \[45{}^\circ ,\] what is the third angle?

    A)  \[80{}^\circ \]                          

    B)  \[55{}^\circ \]           

    C)  \[45{}^\circ \]                          

    D)  \[90{}^\circ \]

    Correct Answer: A

    Solution :

    (a): Third \[\angle le=180{}^\circ -55{}^\circ -45{}^\circ =80{}^\circ \]


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