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A hall 180 feet in length is to be designed as a whispering gallery. If the foci are located 25 25 feet from thecenter, how

A hall 180 feet in length is to be designed as a whispering gallery. If the foci are located 25

25 feet from thecenter, how high will the ceiling be at thecenter?

The ceiling will be about feet high.

(place an integer or decimal rounded to one decimal place asneeded.)

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