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Railways Sample Paper RRBs Assistant Loco Pilot and Technician CBT STAGE-I Sample Paper-17

  • question_answer
    ABC is a right angled triangle, right angled at C. \[\angle A=60{}^\circ \] and \[AB=40\]unit, then the length of\[AC\]is

    A)  30 unit

    B)  20 unit

    C)  40 unit

    D)  None of these

    Correct Answer: B

    Solution :

    \[\frac{AC}{AB}=\cos 60{}^\circ \] \[\frac{AC}{AB}=\cos 60{}^\circ \] \[=40.\frac{1}{2}\] \[=20\,\,unit\]


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