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Thirty flasks-10 full, 10 half-empty, and 10 completely empty- are to be divided among 3 sons so that flasks and contents should be shared equally. How may this be done?
A CD with eleven modules, each containing numerous activities designed to help secondary teachers use the history of mathematics to teach mathematics.
Request from the editors.
This is the page illustrating the construction of an ellipse, from the Latin translation (1538) of the Treatise on Mensuration of Albrecht D�rer (1471-1528). This book was originally written in German and published in 1525 and was designed to teach German artists the geometrical ideas on which perspective in painting was based.
Seven men held equal shares in a grinding stone 5 feet in diameter. What part of the diameter should each grind away?
How high above the earth must a person be raised that he [or she] may see 1/3 of its surface?
A popular history of ancient mathematics, dealing with the mathematics of ancient Egypt and Babylonia.
Given a rectangle, find the line through one vertex of minimum length that passes through the extensions of the two opposite sides.
Prove that the area of a regular polygon can be given by the product of its perimeter and half the radius of the inscribed circle.