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Convergence articles

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A pond has two water reeds, where the one grows 3 feet and the other 1 foot on the first day. The growth of the first becomes every day half of that of the preceding day, while the other grows twice as much as on the day before.

There is a round town 8000 feet in circumference.

How high above the earth must a person be raised that he [or she] may see 1/3 of its surface?

Considering non-unique representation of Maya calendar numbers may help your students understand their own number system better.

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.

This is the title page to the 1811 edition of the Descriptive Geometry of Gaspard Monge (1746-1818). This book deals with methods for representing three-dimensional objects in two dimensions. It was written to accompany Monge's courses at the Ecole Polytechnique in Paris.

Four men already having denari found a purse of denari; each man has a different amount of denari before they found the purse. Find out how much denari each man has.

The expression 0^0 is usually called an indeterminate form. This article details the history of the meaning of this expression and concludes that, in some cases, we should evaluate it as 1.

A round pond sits in a rectangular garden. Its center is inaccessible; however, you know the distances from each corner of the garden to the circumference of the pond: 60, 52, 28, and 40 yards. What is the radius of the pond?

Now there are six-headed four-legged animals and four-headed two-legged birds placed together.