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May 28, 2015

Homework Help: geometry

Posted by Priscilla on Friday, April 10, 2009 at 7:22pm.

The area of an ellipse in the form (x*x/a*a)+(y*y)/(b*b)=1 is A=3.14*ab. For this ellipse, a+b=20.
a. write the area of the ellipse as a function of a.
b. Find the equation of the ellipse with an area of 264 square centimeters.
c. Complete the table and make a conjecture about the shape of the ellipse with a maximum area.
a 7 8 10 11 12 13 14
b
area

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