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A man has four creditors. To the first he owes 624 ducats; to the second, 546; to the third, 492; and to the fourth 368.
A rifle ball is fired through a three-inch plank, the resistance of which causes an unknown constant retardation of its velocity.
The Ohio Section Short Course will consider the use of original sources in teaching mathematics.
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.
A wooden beam is stood vertically against a wall. The length of the beam is 30 units.
Information on the NCTM Fall, 2004 Eastern Regional meeting.
Given a door and a measuring rod of unknown dimensions, the rod is used to measure the door.
Given a pyramid 300 cubits high, with a square base 500 cubits to a side, determine the distance from the center of any side to the apex.

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