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      Question

      What is the height of an equilateral triangle with a

      side length of 14√7 cm?
      A 7√21 cm Correct Answer Incorrect Answer
      B 2√3 cm Correct Answer Incorrect Answer
      C 5√6 cm Correct Answer Incorrect Answer
      D 2√13 cm Correct Answer Incorrect Answer

      Solution

      ATQ,

      Altitude of an equilateral triangle = √3 Γ— (a/2)

      So, altitude of the given equilateral triangle = √3 Γ— (14√7/2) = 7√21 cm

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