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    Question

    Angles of a triangle are in the ratio 2 : 3 : 7. Find

    the sum of the smallest and largest angle of the triangle.
    A 135┬░ Correct Answer Incorrect Answer
    B 120┬░ Correct Answer Incorrect Answer
    C 150┬░ Correct Answer Incorrect Answer
    D 105┬░ Correct Answer Incorrect Answer

    Solution

    Let the measure of the angles of the given triangle be '2x┬░', '3x┬░', and '7x┬░', respectively. Sum of angles of a triangle = 2x + 3x + 7x = 180┬░ So, x = (180┬░/12) = 15┬░ Therefore, the sum of smallest and largest angles of the triangle = 2x + 7x = 9x = 9 ├Ч 15┬░ = 135┬░ Hence, option a.

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