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A whispering chamber is an elliptically arched chamber. A unique feature of a whispering chamber is that when a person standing at one focus of the ellipse whispers, he can be heard by a person standing at the other focus, regardless of the dimensions of the ellipse from which the dome is built.

Suppose that the dimensions of the ellipse used to create a whispering dome is 180 feet by 420 feet. Angela stands at one focus, and Zach stands at the other focus.

How far apart are Angela and Zach?

 Jan 18, 2020
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https://web2.0calc.com/questions/please-help-i-really-don-t-know

 Jan 18, 2020

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