Convergence articles

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Seven men held equal shares in a grinding stone 5 feet in diameter. What part of the diameter should each grind away?
Given a rectangle, find the line through one vertex of minimum length that passes through the extensions of the two opposite sides.
One person possesses 7 asavas horses, another 9 hayas horses, and another 9 camels. Each gives two animals away, one to each of the others.
The authors provide descriptions of Maya calendar systems, photos of artifacts, examples of calendar conversions, and exercises for classroom use.
I was employed to survey a field, which I was told was an exact geometrical square, but by reason of a river running through it, I can only obtain partial measurements.
A discussion of a collaborative effort in Italy to produce materials enabling secondary school teachers to use the history of mathematics in the classroom.
Suppose the area of an equilateral triangle be 600. The sides are required.
A biography of the geometer Donald Coxeter.
Fibonacci gave a practical rule for approximating the area of an equilateral triangle.
A ladder is placed perpendicular to the plane of the horizon, and in coincidence with the plane of an upright wall.