Posted by mota on Saturday, March 15, 2008 at 4:04am.
let each side be x m
then x^2 + x^2 = 40^2
2x^2 = 1600
x^2 = 800
x = √800 = 28.28 m
Wow, a chessboard which is 28 metres long????
Are you sure it wasn't 28 cm?
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