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      Question

      Find the length of BC, if ╬ФABC ~ ╬ФRQP and AC = 18 cm,

      RP = 12 cm and QP = 8 cm.
      A 12 cm Correct Answer Incorrect Answer
      B 14 cm Correct Answer Incorrect Answer
      C 10 cm Correct Answer Incorrect Answer
      D 16 cm Correct Answer Incorrect Answer

      Solution

      ╬ФABC ~ ╬ФRQP So, (AC/RP) = (BC/QP) Or, (18/12) = (BC/8) Or, (3/2) = (BC/8) Or, BC = (3/2) ├Ч 8 = 12 cm Hence, option a.

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