∆ABC ~ ∆ EDF और ar (∆ABC): ar(∆DEF) = 4:9 । यदि AB = 6 सेमी., BC = 8 सेमी. तथा AC=10 सेमी. है तो DF बराबर होगा ।

  • 1

    9 सेमी.

  • 2

    12 सेमी.

  • 3

    15 सेमी.

  • 4

    18 सेमी.

Answer:- 2

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