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  2. Apollonian gasket - Wikipedia

    en.wikipedia.org/wiki/Apollonian_gasket

    The size of each new circle is determined by Descartes' theorem, which states that, for any four mutually tangent circles, the radii of the circles obeys the equation (+ + +) = (+ + +). This equation may have a solution with a negative radius; this means that one of the circles (the one with negative radius) surrounds the other three.

  3. Dividing a circle into areas - Wikipedia

    en.wikipedia.org/wiki/Dividing_a_circle_into_areas

    The number of points (n), chords (c) and regions (r G) for first 6 terms of Moser's circle problem. In geometry, the problem of dividing a circle into areas by means of an inscribed polygon with n sides in such a way as to maximise the number of areas created by the edges and diagonals, sometimes called Moser's circle problem (named after Leo Moser), has a solution by an inductive method.

  4. Seven circles theorem - Wikipedia

    en.wikipedia.org/wiki/Seven_circles_theorem

    Seven circles theorem. In geometry, the seven circles theorem is a theorem about a certain arrangement of seven circles in the Euclidean plane.Specifically, given a chain of six circles all tangent to a seventh circle and each tangent to its two neighbors, the three lines drawn between opposite pairs of the points of tangency on the seventh circle all pass through the same point.

  5. Midpoint circle algorithm - Wikipedia

    en.wikipedia.org/wiki/Midpoint_circle_algorithm

    A circle of radius 23 drawn by the Bresenham algorithm. In computer graphics, the midpoint circle algorithm is an algorithm used to determine the points needed for rasterizing a circle. It's a generalization of Bresenham's line algorithm. The algorithm can be further generalized to conic sections. [1] [2] [3]

  6. Circle packing in a circle - Wikipedia

    en.wikipedia.org/wiki/Circle_packing_in_a_circle

    Circle packing in a circle is a two-dimensional packing problem with the objective of packing ... solutions for n = 2, 3, 4, 7, 19, and 37 achieve a packing density ...

  7. A phone may be a magical gift for your child, and these rules ...

    www.aol.com/news/phone-kid-holiday-shopping-list...

    Experts say to delay your kid’s first smartphone. But maybe this holiday season is the one in which you will take the plunge. These guidelines can help.

  8. Superformula - Wikipedia

    en.wikipedia.org/wiki/Superformula

    The superformula is a generalization of the superellipse and was proposed by Johan Gielis in 2003. [1] Gielis suggested that the formula can be used to describe many complex shapes and curves that are found in nature.

  9. The 3 Most Overpriced Cities in America, According to Gen Z ...

    www.aol.com/finance/3-most-overpriced-cities...

    I'm a Retirement Planner: 7 Ways I Am Guiding Clients Now That Trump Won. This article originally appeared on GOBankingRates.com: The 3 Most Overpriced Cities in America, ...