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  2. Circle packing in a circle - Wikipedia

    en.wikipedia.org/wiki/Circle_packing_in_a_circle

    Of these, solutions for n = 2, 3, 4, 7, 19, and 37 achieve a packing density greater than any smaller number > 1. (Higher density records all have rattles.) [10]

  3. Area of a circle - Wikipedia

    en.wikipedia.org/wiki/Area_of_a_circle

    In geometry, the area enclosed by a circle of radius r is πr 2.Here, the Greek letter π represents the constant ratio of the circumference of any circle to its diameter, approximately equal to 3.14159.

  4. Great-circle distance - Wikipedia

    en.wikipedia.org/wiki/Great-circle_distance

    A diagram illustrating great-circle distance (drawn in red) between two points on a sphere, P and Q. Two antipodal points, u and v are also shown.. The great-circle distance, orthodromic distance, or spherical distance is the distance between two points on a sphere, measured along the great-circle arc between them.

  5. High school students rescue man who fell on train tracks

    www.aol.com/high-school-students-rescue-man...

    CBS News contributor David Begnaud shows how three teens at a high school in Iowa jumped into action to help save a man they saw struggling after he fell on train tracks.

  6. Squaring the circle - Wikipedia

    en.wikipedia.org/wiki/Squaring_the_circle

    Squaring the circle is a problem in geometry first proposed in Greek mathematics.It is the challenge of constructing a square with the area of a given circle by using only a finite number of steps with a compass and straightedge.

  7. List of countries and dependencies by population density

    en.wikipedia.org/wiki/List_of_countries_and...

    List of countries and dependencies showing population densities, populations, and areas Location Pop. /km 2 Pop. /sq mi Population Area (km 2) Area (sq mi) Notes

  8. Adam Pearson (actor) - Wikipedia

    en.wikipedia.org/wiki/Adam_Pearson_(actor)

    Adam Pearson was born in Croydon, London, on 6 January 1985, along with his identical twin brother, Neil. [4] After he hit his head at the age of five, the resultant bump persisted instead of healing.

  9. Paatal Lok - Wikipedia

    en.wikipedia.org/wiki/Paatal_Lok

    Paatal Lok (transl. Netherworld) [a] is an Indian Hindi-language crime thriller television series on Amazon Prime Video, created by Sudip Sharma, who wrote the script along with Sagar Haveli, Hardik Mehta and Gunjit Chopra, and directed by Avinash Arun and Prosit Roy.