Respuesta :

We know, Area of Octagon = 2(1 + √2) a²
A = 2(1 + √2) 4²
A = 32 + 32√2
A ≈77.25 in²

In short, Your Answer would be: 77.25 in²

Hope this helps!
minionls2015

area of regular octagon= 12 
Apotnem times Perimeter = 12* 4*(4.8*8)= 76.8

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