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SAT, 27.10.2021 19:30 trevorhenyan51

a fireplace arch is to be constructed in the form of a semiellipse. the opening is to have a height of 2 feet at the center and a width of 8 feet along the base. the contractor cuts a string of a certain length and nails each end of the string at the foci of the base in order to sketch the outline of the semiellipse.

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