OpenStax, Algebra and Trigonometry 2e §12.1 The Ellipse · Exercise 75 · Geometry · Conic sections
The Ellipse · Exercise 75
A person is standing 8 feet from the nearest wall in a whispering gallery. If that person is at one focus, and the other focus is 80 feet away, what is the length and height at the center of the gallery?
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OpenStax, Algebra and Trigonometry 2e · §12.1 The Ellipse · Exercise 75
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