A regular octogon has side length 2root of 2 inches. What is the median length of all its diagonals? Express your answer in simplest radical from.

Median length of diagonal= a+sqrt 2* a

= 2sqrt2 + sqrt2*2sqrt2

= 2*1.414 + 1.414*2*1.414

= 2.828 +3.9987

= 6.8267 in

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