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Ellipse

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A diagram showing the shape of an ellipse, a type of curved shape studied in math.

What is an Ellipse?

An ellipse is a special curved shape in mathematics. It looks like a circle that has been gently stretched out in one direction. Imagine taking a circle and pulling it a little to make it longer on one side and shorter on the other.

Ellipses are very useful in science. For example, the path that planets take around the Sun is almost like an ellipse, with the Sun at one special point. This helps scientists understand how things move in space. Ellipses are also used in engineering and physics.

Parts of an Ellipse

The shape of an ellipse can be described using numbers. The longest width of the ellipse is called the major axis, and the shortest width is the minor axis. These measurements help us understand how stretched out the ellipse is.

Fun Facts

  • An ellipse is like a stretched circle.
  • Planets orbit the Sun in paths that look like ellipses.
  • Light and sound can behave in special ways around ellipses.

Ellipses are interesting shapes that help us understand many things in nature and science!

Images

Diagram showing different ellipses that all have the same circumference.
An animation showing two example ellipses drawn in red and cyan, illustrating their shapes and paths.
A drawing tool used to construct ellipses, a type of curved shape.
An animated illustration showing two different ellipses, useful for learning about geometric shapes.
A smooth, three-dimensional shape called an ellipsoid, commonly studied in geometry.
Illustration of an elliptic cylinder, a type of quadric surface in geometry.
An animated diagram showing how an ellipse is drawn using parametric equations.
An animated illustration showing how two ellipses can represent the same motion, used in studying mathematical curves.
An animated illustration of the Trammel of Archimedes, a tool used to draw an ellipse by moving a point along two perpendicular tracks.
An animated demonstration showing how to draw an ellipse using the parallelogram method, a useful geometric technique used in engineering and math.
An animation showing how an ellipse can be created as a special case of a hypotrochoid curve.
A tilted ellipse with the formula for calculating its enclosed area.

Related articles

Mathematics
Circle
Engineering
Physics

This article is a child-friendly adaptation of the Wikipedia article on Ellipse, available under CC BY-SA 4.0.

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