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    Mathematics
    Algebra
    Easy

    Question

    If the length of the sides of a triangle are in AP and the greatest angle is double the smallest, then a ratio of lengths of the sides of this triangle is

    1. 3 : 4 : 5
    2. 4 : 5 : 6
    3. 5 : 9 : 13
    4. 5 : 6 : 7

    The correct answer is: 4 : 5 : 6


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