What is the term for a symmetrically shaped oval?

What is the term for a symmetrically shaped oval?

• A. Circle
• B. Ellipse
• C. Parabola
• D. Hyperbola

Answer: (B)

The term for a symmetrically shaped oval is an ellipse. An ellipse is defined mathematically as the set of all points in a plane where the sum of the distances from two fixed points (called the foci) is constant. This defining property of an ellipse gives it its oval shape, characterized by its symmetrical nature around both its major and minor axes.

In contrast, a circle is a special case of an ellipse where the two foci coincide at the center and all points are equidistant from the center. While a parabola is a conic section that has a distinct "U" shape and opens either up or down (or left and right), a hyperbola consists of two separate curves that open in opposite directions, creating a different geometric structure. Understanding these differences helps clarify why the concept of an ellipse specifically refers to a symmetrically shaped oval.