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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.
An introduction to the work of Venn as well as the work of the author in extending some of Venn's results.
An erect pole of 10 cubits has its base moved 6 cubits. Determine the new height and the distance the top of the pole is lowered.
After completing this assignment on Simon Stevin's treatment of decimal fractions in his 1585 De Thiende, the author's preservice mathematics teachers understood why our usual procedure for multiplying such fractions works.
The Ohio Section Short Course will consider the use of original sources in teaching mathematics.
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.
A wooden beam is stood vertically against a wall. The length of the beam is 30 units.
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?
Given a semicircle, Prove that if O is the circle's center, DO=OE.