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Convergence articles

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There is a regular pentagon. The length of its side is a. Find the area of the pentagon. Generalize your result for a nonagon.
A creative expression combining text, design and illustrations, originally designed for the International Congress of Mathematicians in Madrid.
Find a number having remainder 29 when divided by 30 and remainder 3 when divided by 4.
Given a guest on horseback rides 300 li in a day. The guest leaves his clothes behind. The host discovers them after 1/3 day, and he starts out with the clothes.
This resource consists of a series of 61 worksheets, each focused on a particular problem and related to a particular historical mathematical personality.
The author compares Greek ladder, continued fraction, and Newton's Method approximations, noting that the Greek ladder easily gives both of Archimedes' famous bounds.
The ICM meets every four years. This year, the meeting takes place August 22-30 and is being held in Madrid. Section 20 of the Congress deals with the history of mathematics.
This is a description of the crosswalk from Convergence to Loci Convergence.
On a certain ground stands two poles 12 feet apart, the lesser pole is 35 ft. in height and the greater 40 ft. It is sought, if the greater pole will lean on the lesser, then in what part will it touch?
What number which being increased by 1/2, 1/3, and 1/4 of itself, the sum shall be 75?

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