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Having been given the perimeter and perpendicular of a right angled triangle, it is required to find the triangle.
A man and his wife drink a barrel of wine at different rates. Find the rate it takes both of them together to drink the wine.
A lively description of ten of the greatest feuds in mathematics.
A set of four congruent circles whose centers form a square is inscribed in a right triangle ABC where C is the right angle and serves as one corner of the square. Find their radius in terms of the sides; a,b,c, of the triangle.
In Archimedes' Book of Lemmas (ca 250), he introduces a figure that, due to its shape, has historically been known as "the shoemaker's knife" or arbelos.

We invite you to send us information about these photographs of 20th century mathematicians.

This website offers a collection of biographies of mathematicians and a variety of resources on the development of various branches of mathematics. It is an extremely rich and extensive site.
On Triangles, by Regiomontanus (Johannes M�ller) (1436-1476), written in 1464 but not published until 1533.
The highest point of the Andes is about 4 miles above sea level.
A castle has n rooms each of which has 7 samurai in it.

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