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    Question

    If a triangle with base 10 cm has the same area as a

    circle with radius 10 cm, then the corresponding altitude (in cm) of the triangle is:┬а
    A 22 ╧А cm Correct Answer Incorrect Answer
    B 24 ╧А cm Correct Answer Incorrect Answer
    C 26 ╧А cm Correct Answer Incorrect Answer
    D 20 ╧А cm Correct Answer Incorrect Answer

    Solution

    Using formula Area of triangle = 1/2 x base x height and Area of circle = ╧Аr2, Let the corresponding altitude of the triangle = a cm. According to the question, Area of the triangle = Area of the circle тЗТ 1a/2 x 10 = ╧А x 10 x 10 тЗТa = 2 x 10 ╧А тЗТa = 20 ╧А cm

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