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    Question

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    A 60⁰ Correct Answer Incorrect Answer
    B 36° Correct Answer Incorrect Answer
    C 72° Correct Answer Incorrect Answer
    D 54° Correct Answer Incorrect Answer

    Solution

    =(n – 2) × 180 / n = (5 – 2) × 180 / 5 = 1080 By property of exterior angle = 1800 – 1080 = 720 If two angle 720 each then third angle is 360

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