You are here

Home » MAA Publications » Periodicals » Convergence » Convergence articles

Convergence articles

Displaying 691 - 700 of 726

Ohio Section Short Course, Study the Masters
The Ohio Section Short Course will consider the use of original sources in teaching mathematics.
Round Pond in Rectangular Garden

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?

Yearning for the Impossible: The Surprising Truths of Mathematics

This book explores the history of mathematics from the perspective of the creative tension between common sense and the "impossible" as the author follows the discovery or invention of new concepts that have marked mathematical progress.

 

Horsing Around

One military horse cannot pull a load of 40 dan; neither can 2 ordinary horses, nor can three inferior horses...

Japanese Pentagon Problem

There is a regular pentagon. The length of its side is a. Find the area of the pentagon. Generalize your result for a nonagon.

Logarithms: The Early History of a Familiar Function

The authors recount the 'great tale' of Napier's and Burgi's parallel development of logarithms and urge you to use it in class.

The Amount of Time a Man Can Do Work

How long does it take a single man to do work when...

Pennies for the Poor

If I were to give 7 pennies to each beggar at my door, I would have 24 pennies left in my purse. How many beggars are there and how much money do I have?

Contractors

A carpenter has undertaken to build a house in 20 days. He takes on another man and says; "If we build the house together, we can accomplish the work in 8 days!" How long would it take this other man to build the house working alone?

An Inscribed Ellipse
Given right triangle ABC where C is the right angle, ellipse O (a,b) is inscribed in it, with its major axis parallel to BC. Calculate the semi-major axis, a, in terms of AC, BC and b.

Pages