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# This one I really can't visualize

This is from the book of Kern and Bland. May I ask. How's the Illustration of this problem...??? hehehehe. A rectangle with dimensions a and b moves with one of its points on the circumference of a semicircle of radius a, and keeps perpendicular to the bounding diameter of the semicircle. what is the illustration?

Note by Daniel James Molina
4 years, 3 months ago

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