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    What is the Area of Octagon whose side is 4

    Octagon CalculatorArea of octagon is 77.2548 for the given side is 4, refer the calculation summary and work with steps for detailed explanation.
    Calculation Summary
    Side4 in
    Area77.2548 in²

    Work with steps to find Area of Octagon with sides 4

    Question:
    What is the area of octagon, if it has a side of 4 inches?
    Workout :
    step1 Address the formula, input parameters and values
    side = 4 in

    step 2 Find Area of Octagon using side value
    Area A = 2 (1 + 2 ) s²
    = 2 x (1 + 2 ) x (4)² in²
    = 2 x (1 + 1.4142 ) x 16 in²
    = 2 x 2.4142 x 16 in²
    Area A = 77.2548 in²

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