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Given two circles tangent to each other and to a common line, determine a relationship between the radii and the distance between the tangent points.
The quadrennial meeting of the International Study Group on the Relations between History and Pedagogy of Mathematics will be in Mexico City, July 14-18, 2008.
Page 5 of Paul Halmos Photograph Collection: Paul Bateman, Felice Bateman, Edward Begle, Alexandra Bellow, William Johnson, Georgia Benkart, Lipman Bers
On an expedition to seize his enemy's elephants, a king marched 2 yojanas the first day.
A translation of one of the seminal papers in the field of elliptic integrals, but one that can be read by an undergraduate.
A merchant woman buys and sells apples and pears for Denaros. How much did she invest in apples; how much in pears?
This is the title page of the geometry book of Jacob Kobel (1460 - 1533). The book dealt primarily with measurement, showing its readers how to use various instruments to measure fields, determine heights of buildings, and perform various other necessary tasks.
A series of circles have their centers on an equilateral hyperbola and pass through its center. Show that their envelope is a lemniscate.
Two ants are 100 paces apart, crawling back and forth along the same path. The first goes 1/3 pace forward a day and returns 1/4 pace; the other goes forward 1/5 pace and returns 1/6 pace. How many days before the first ant overtakes the second?
History of Maya calendars, including the modified base 20 number system used in them

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