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Convergence articles

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Videotape of aspects of the history of mathematics.
Given the frustum of a circular cone with height h.

Images from Frans van Schooten's 1659 edition of The Geometry of Rene Descartes

Suppose General [George] Washington had 800 men and was supplied with provisions to last 2 months but he needed to feed his army for 7 months.
Determine the greatest cylinder that can be inscribed in a given cone.
The cavity of our chimney is an upright parallelepiped, the diagonal of whose base is 60"; and the height of the lower side of the lintel above the plane of the floor is 40".
Classrom suggestions for integrating Leonardo's ideas in several different classes
A biography stressing Agnesi's deep commitment to help those in need.
Two men starting from the same point begin walking in different directions. Their rates of travel are in the ratio 7:3.
There is a mound of earth in the shape of a frustum of a cone.