The Geometry of an Ellipse Is Described by Two Numbers

question 11

Multiple Choice

The geometry of an ellipse is described by two numbers: the ____ which is half the longest diameter of the ellipse and the ____ which tells us the shape of the ellipse.

• A)radius, eccentricity
• B)radius, deferent
• C)semi-major axis, deferent
• D)semi-major axis, epicycle
• E)semi-major axis, eccentricity

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