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Find the Eccentricity E of the Ellipse

Question 205

Multiple Choice

Find the eccentricity e of the ellipse.
-A rectangular board is 19 by 20 units. The foci of an ellipse are located to produce the largest area. A string is connected to the foci and pulled taut by a pencil in order to draw the ellipse. Find the
Length of the string.


A) 20 units
B) 38 units
C) 19 units
D) 40 units

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