About The Length of a Belt

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The Length of a Belt

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Author: Annie Fetter
Description: Geometry, difficulty level 3. The diameters of two wheels are 18 cm and 12 cm and their centers are 30 cm apart. A belt goes around them and crosses 18 cm from the center of the big wheel. How long is the belt? How do you know you're right?

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Problem page: /library/go.html?destination=723
Solution page: Problem #723

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