ЁЯУв Too many exams? DonтАЩt know which one suits you best? Book Your Free Expert ЁЯСЙ call Now!


    Question

    The altitude of an equilateral triangle is 6тИЪ3 cm.

    Find the area of the equilateral triangle.
    A 32тИЪ3 cm┬▓ Correct Answer Incorrect Answer
    B 28тИЪ3 cm┬▓ Correct Answer Incorrect Answer
    C 30тИЪ3 cm┬▓ Correct Answer Incorrect Answer
    D 36тИЪ3 cm┬▓ Correct Answer Incorrect Answer

    Solution

    Let each side of the equilateral triangle be тАШaтАЩ cm Therefore, (a2┬атАУ a2/4) = (6тИЪ3)2 Or, 3a2/4 = 108 Or, a2┬а= 144 Or, a = 12 cm Therefore, area of the equilateral triangle = тИЪ3a2/4 Or, area of the equilateral triangle = (тИЪ3 ├Ч 144)/4 = 36тИЪ3 cm2

    Practice Next
    More Mensuration Questions

    Relevant for Exams:

    ask-question