Tiny vacuum with a huge reach
From the vacuum description and advertisement in the PDF, how long do you think its cord must be?
Thanks to Brian Shoemaker, Newton, MA teacher, for the idea and pictures.
Geometry
Genres
Grade
World record Snickers Bar
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Wh...
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Whoops! Maybe I need a larger sheet.
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...
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Boeing 787 draws an airplane over the United States
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