Keywords: Ellipse PLS.svg Ellipse showing Pythagorean relation <math>a 2 b 2+c 2</math> The image shows an ellipse constructed from the two foci F1 and F2 with the Pythagorean formula shown as the square of the semi-major axis a equal to the sum of the square of the semi-minor axis b and the square of c c is the distance between the center to any of the foci c is also the eccentricity times the semi-major axis 2012-05-29 own Krishnavedala validSVG HandSVG cc-zero Uploaded with UploadWizard Ellipses |