SOLUTION: Explain how to find the foci of an ellipse given the coordinates of its vertices and co-vertices?

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Question 193077: Explain how to find the foci of an ellipse given the coordinates of its vertices and co-vertices?
Answer by Mathtut(3670) About Me  (Show Source):
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use the equation c%5E2=a%5E2%2Bb%5E2 where a and b are the vertices and co vertices and c is coordinate of the foci.