SOLUTION: The diagonal crossbar of an old wooden gate has rusted. The gate is rectangular, 3 feet by 4 feet. How long is the crossbar(diagonal)?

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Question 865171: The diagonal crossbar of an old wooden gate has rusted. The gate is rectangular, 3 feet by 4 feet. How long is the crossbar(diagonal)?
Answer by Alan3354(69443) About Me  (Show Source):
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The gate is rectangular, 3 feet by 4 feet. How long is the crossbar(diagonal)?
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Use Pythagoras.