Verified Answer :

Since an octagon has 8 side u will have to dived 128 by 8 to get 16.


128/8=16 

Hope I helped:D



faizu

Perimeter of regular octagon = 8 X side 
given perimeter = 128 inches 
applying the formula :
=>128 = 8s
=>8s=128
=>s=128/8
=>s= 16 inches ..

so the length of each side = 16 inches ...

Hope it helps !!!

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