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
Stuck? A gentle nudge
No hints for this one.
Your working
Check your full solution
Upload photos of your handwritten work or a PDF, and Lemma will read it and tell you whether it's right — and where it first goes wrong if not.