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Q:

In ΔABC, D and E are points on the sides AB and AC, respectively, such that DE || BC. If AD = 5 cm, DB = 9 cm, AE = 4 cm and BC = 15.4 cm, then the sum of the lengths of DE and EC (in cm) is:

  • 1
    11.6
  • 2
    10.8
  • 3
    13.4
  • 4
    12.7
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Answer : 4. "12.7"

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