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November 20, 2014

November 20, 2014

Posted by **mota** on Saturday, March 15, 2008 at 4:04am.

40 m. what is the length of each side of

the board, to the nearest length of a

centimeter? Explain t on reasoning.

- math -
**Reiny**, Saturday, March 15, 2008 at 7:20amlet 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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