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Convergence articles

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Three circles of varying radius are mutually tangent. The area of the triangle connecting their centers is given. Find the radius of the third circle.

A translation of and commentary on Frans van Schooten's work on constructions using only a straightedge. Van Schooten's postulates for use of the straightedge, however, allow the copying of one line segment onto another.

There is a round town 8000 feet in circumference.
Find the area of the elliptical segment cut off parallel to the shorter axis;
A cylindrical tin tomato can is to be made which shall have a given capacity. Find what should be the ratio of the height to the radius of the base that the smallest possible amount of tin shall be required.
As this biography reveals, Servois fought in battles for Paris and for the foundations of calculus.
Twenty-three weary travelers entered a delightful forest. There they found 63 numerically equal piles of plantain fruit.
Find the two numbers such that multiplying one by the other makes 8 and the sum of their squares is 27
A collection of articles dealing with mathematical models and objects and how they can be used in teaching.
I found a stone but did not weigh it; after I added to it 1/7 of its weight and then 1/11 of this new weight, I weighed the total at 1 mina. What was the weight of the stone?