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10th Class Mathematics Sample Paper Sample Paper - 2011 - 12 - Term - 1

  • question_answer
      In Fig. 2, if DE 11 BC, then x equals          (a) 6 cm                                                (b) 8 cm (c) 10 cm                              (d) 12.5 cm

    Answer:

      Given DE||BC                                           [corresponding angles] Now in triangles ADE and ABC                                                             (common)                                                (corresponding angles) (C) holds.


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