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  5. The Triangle and its Properties

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

  • question_answer
    In the given figure, (a + b) equals

    A)  \[235{}^\circ \]                                

    B)  \[215{}^\circ \]

    C)  \[195{}^\circ \]                                

    D)  \[225{}^\circ \]

    Correct Answer: B

    Solution :

         \[a=75{}^\circ +40{}^\circ =115{}^\circ \] \[b=60{}^\circ +40{}^\circ =100{}^\circ \] (angle opposite to \[40{}^\circ \] is equal to\[40{}^\circ \]) \[a+b=115{}^\circ +100{}^\circ =215{}^\circ \]


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