OpenStax, Algebra and Trigonometry 2e §12.1 The Ellipse · Exercise 72 · Geometry · Conic sections
The Ellipse · Exercise 72
An arch has the shape of a semi-ellipse. The arch has a height of 12 feet and a span of 40 feet. Find an equation for the ellipse, and use that to find the distance from the center to a point at which the height is 6 feet. Round to the nearest hundredth.
OpenStax, Algebra and Trigonometry 2e · §12.1 The Ellipse · Exercise 72
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