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      Question

      What is the height of an equilateral triangle with a

      side length of 12√5 cm?
      A 3√5 cm Correct Answer Incorrect Answer
      B 2√3 cm Correct Answer Incorrect Answer
      C 5√6 cm Correct Answer Incorrect Answer
      D 6√15 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— (12√5/2) = 6√15 cm

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