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Convergence articles

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Given a rectangle, find the line through one vertex of minimum length that passes through the extensions of the two opposite sides.

In a circle whose circumference is 60 units, a chord is drawn forming a segment whose sagitta is 2 units. What is the length of the chord?

A two door gate of unknown width is opened so that a 2 ts'un gap exists between the two doors.

In a right triangle, the hypotenuse is 13 and the sum of the sides around the right angle is 17. Find the lengths of the sides around the right angle.

A method for extracting square roots used in Italy through the 18th century was introduced in a manuscript by the 12th century mathematician al-Hassar. Appendix: When Was Fermat Born? (Not in 1601 ...)

The paperback reprint of this large collection of articles by experts on all aspects of the history and philosophy of mathematics.

In the figure at the left, if the radii of each inscribed circle is 1, what are the dimensions of the bounding rectangle?

Fibonacci gave a practical rule for approximating the area of an equilateral triangle.

A gentleman has a garden of rectangular form and wants to construct a walk of equal width half way round to take up half the garden. What must be the width of this walk?

Thumbnail sketches of statisticians throughout history.