Ellipse
An ellipse usually looks like a squashed circle (in fact a circle is a special kind of ellipse).
It has two focus point F and G, and for any point P on an ellipse the total distance from F to P to G is always the same.
It is one of the Conic Sections.
Play with it here:
See: Conic Section
- hexagon
- hexahedron
- highest common factor
- hindu-arabic number system
- histogram
- horizontal
- horizontal flip
- hour
- hour hand
- hundred
- hundredth
- hyperbola
- hyperbolic functions
- hypercube
- hypocycloid
- hypotenuse
- hypothesis
- i (unit imaginary number)
- icosahedron
- identity
- image
- imaginary number
- imperial system
- improper fraction
- incenter