A person in a whispering gallery standing at one focus of the ellipse can whisper and be heard by a person standing at the other focus because all the sound waves that reach the ceiling are reflected to the other person. If a whispering gallery has a length of 314 meters, and the foci are located 85 meters from the center, find the height of the ceiling at the center. OpenSax Precalculus Height: Select an answer v

A person in a whispering gallery standing at one focus of the ellipse can whisper and be heard by a person standing at the other focus because all the sound waves that reach the ceiling are reflected to the other person. If a whispering gallery has a length of 314 meters, and the foci are located 85 meters from the center, find the height of the ceiling at the center. OpenSax Precalculus Height: Select an answer v

College Algebra

1st Edition

ISBN:9781938168383

Author:Jay Abramson

Publisher:Jay Abramson

Chapter8: Analytic Geometry

Section8.1: The Ellipse

Problem 67SE: A person in a whispering gallery standing at one focus of the ellipse can whisper and be heard by a...

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A person in a whispering gallery standing at one focus of the ellipse can whisper and be heard by a person standing at the other focus because all the sound waves that reach the ceiling are reflected to the other person. If a whispering gallery has a length of 120 feet, and the foci are located 30 feet from the center, find the height of the ceiling at the center.
Find an equation for the ellipse with foci (3,0) and vertices (4,0) .
Find the equation of the ellipse shown.

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