Calculators & Converters

    What is the Area of Octagon whose side is 18

    Octagon CalculatorArea of octagon is 1564.4104 for the given side is 18, refer the calculation summary and work with steps for detailed explanation.
    Calculation Summary
    Side18 in
    Area1564.4104 in²

    Work with steps to find Area of Octagon with sides 18

    Question:
    Find what is the area of octagon whose side is 18 inches?
    Workout :
    step1 Address the formula, input parameters and values
    side = 18 in

    step 2 Find Area of Octagon using side value
    Area A = 2 (1 + 2 ) s²
    = 2 x (1 + 2 ) x (18)² in²
    = 2 x (1 + 1.4142 ) x 324 in²
    = 2 x 2.4142 x 324 in²
    Area A = 1564.4104 in²

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