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Question

a chessboard has diagonals of lengths
40 m. what is the length of each side of
the board, to the nearest length of a
centimeter? Explain t on reasoning.
17 years ago

Answers

Reiny
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?
17 years ago

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