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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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