Question

    Find the length of the side of a regular octagon which is formed by cutting the corner of square of side 30 cm?

    A 30(√2+1) Correct Answer Incorrect Answer
    B 30(√2-1) Correct Answer Incorrect Answer
    C 20(√2+1) Correct Answer Incorrect Answer
    D 20(√2-1) Correct Answer Incorrect Answer

    Solution

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