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Convergence articles

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A cylindrical tin tomato can is to be made which shall have a given capacity. Find what should be the ratio of the height to the radius of the base that the smallest possible amount of tin shall be required.
This is the title page of Isaac Barrow's Latin edition of the works of Archimedes, the first four books of Apollonius's Conics, and Theodosius's Spherica. It was published in 1675.
A cliff with a tower on its edge is observed from a boat at sea; find the height of the cliff and the tower.
A collection of articles dealing with mathematical models and objects and how they can be used in teaching.
Two circles of radii 25 feet intersect so that the distance between their centers is 30 feet. What is the length of the side of the largest square inscribable within their intersecting arcs?
Now there are six-headed four-legged animals and four-headed two-legged birds placed together.
Having been given the sum of two numbers,a, and the difference of their squares,b, find the numbers.
A circle is inscribed in an isosceles trapezoid. Find the relationship of the radius to the sides.
A comprehensive history of trigonometry from ancient times to the Renaissance.
There is a round fish pond of certain dimensions, and into the pond is dropped a marble column. How high will the water rise?

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