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    Question

    If the side of an equilateral triangle is 20 cm, then

    what is its area?
    A 125тИЪ 3 Correct Answer Incorrect Answer
    B 100тИЪ 2 Correct Answer Incorrect Answer
    C 100тИЪ 3 Correct Answer Incorrect Answer
    D 125тИЪ 2 Correct Answer Incorrect Answer

    Solution

    Area = (├Ц 3/4 ├Ч(side)┬▓ = (├Ц 3/4├Ч20├Ч20 =100├Ц 3.

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