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    Question

    The perimeter of an equilateral triangle is 72√3 cm.

    Find its height.
    A 24 Correct Answer Incorrect Answer
    B 36 Correct Answer Incorrect Answer
    C 12 Correct Answer Incorrect Answer
    D 48 Correct Answer Incorrect Answer

    Solution

    The perimeter of an equilateral triangle = 72√3 3a = 72 √  3 a = 24 √  3 height of the equilateral triangle = √  3 a /2 = √  3 ×24 √  3 / 2 = 36 cm 

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