OpenStax, Algebra and Trigonometry 2e §12.3 The Parabola · Exercise 72 · Geometry · Conic sections
The Parabola · Exercise 72
If the arch from the previous exercise has a span of 160 feet and a maximum height of 40 feet, find the equation of the parabola, and determine the distance from the center at which the height is 20 feet.
This exercise builds on another exercise in its source book, which isn't shown here.
OpenStax, Algebra and Trigonometry 2e · §12.3 The Parabola · Exercise 72
Stuck? A gentle nudge
No hints for this one.
Your working
Check your full solution
Attach photos of your pages (up to 3) or one PDF — or check what you typed above. Lemma reads the work and verifies the reasoning, not just the answer.
Your first check today doesn't need an account.
Your photos and PDFs are read once and not stored — only the transcription is kept.