how to find the area of a ellipse

What is the center of the ellipse shown? => (0, 0) or (0, 1) or (0, 3) or (- 3, 0)..

Which of the following could be the eccentricity of an ellipse? => 5 3 or 3 2 or 3 5 or 1..

Find the polar equation for the ellipse with one focus at the pole. => r = 1 2 5 + 3 cos θ or r = 6 5 + 3 cos θ or r = 3 3 + 5 cos θ or None of the above..

Choose an equation for the ellipse shown. => 2 x 2 + y 2 = 2 or x 2 + 4 y 2 = 4 or 4 x 2 + y 2 = 4 or x 2 + 2 y 2 = 2..

Choose the graph of an ellipse whose domain is - 4 to 4. => Graph 1 or Graph 2 or Graph 3 or Graph 4..

What is the maximum number of points in which a hyperbola and an ellipse intersect each other? => 1 or 4 or 3 or 0..

Johannes Kepler derived three laws, which govern the planetary motion. These are, 1. The orbit of a planet is an ellipse with the Sun at the one of the foci. 2. The line joining the planet and the Sun sweeps equal areas in equal intervals of time. 3. The cube of the mean distan..

Find the equation of the ellipse with foci (0, - 3) and (0, 3), and minor axis length of 4. => x 2 4 - y 2 1 3 = 1 or y 2 1 3 + x 2 4 = 1 or x 2 1 3 + y 2 4 = 1 or y 2 1 3 - x 2 4 = 1 or x 2 1 3 - y 2 4 = 1..

Find an equation of the ellipse with foci (0, - 9) and (0, 9) whose minor axis has a length of 4 units. => 85 x 2 + 4 y 2 = 85 or 4 x 2 + 85 y 2 = 1 or x 2 4 + y 2 8 5 = 1 or x 2 8 5 + y 2 4 = 1..