SOLUTION: A rectangular board 42cm long and 30 cm wide, is cut into identical square pieces. Find the longest possible length of each square piece.

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Question 1163340: A rectangular board 42cm long and 30 cm wide, is cut into identical square pieces. Find the longest possible length of each square piece.

Answer by ikleyn(52830) About Me  (Show Source):
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A rectangular board 42cm long and 30 cm wide, is cut into identical square pieces.
Find the longest possible highlight%28side%29 length of each square piece.
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The longest possible side length of each square piece is the greatest common divisor of the numbers 42 and 30, i.e. 6 centimeters.