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In a rectangle, given the diagonal and perimeter, find the sides

Mathematical Works Printed in the Americas, 1554-1700

A bibliographical reference to mathematics books printed in the new world before 1700.

The edge of a cloud is at an altitude of 20 degrees and the sun above it at 35 degrees. The shadow cast by the edge of the cloud fall on a object 2300 yards away, how high is the cloud?

Sum of Squares

There are two numbers which are to each other as 5 and 6 and the sum of their squares is 2196. What are the numbers?

University Payment Plan

A merchant gave a university 2,814 ducats on the understanding that he was to be paid back 618 ducats per year for 9 years, at the end of which the 2,814 ducats should be considered as paid.

Equations from God: Pure Mathematics and Victorian Faith

A study of Victorian idealism and its relation to religion, as exemplified in the work of three 19th century British mathematicians.

A Triangular Problem

In a right triangle, having been given the perimeter, a, and the length of the perpendicular from the right-angled vertex to the hypotenuse, b, it is required to find the length of the hypotenuse.

Circle and Equilateral Triangle

A circle ABDC is circumscribed around an equilateral triangle ABC. Prove that the straight line AD is equal to the sum of the two straight lines BD and DC.

The Enigmatic Number \(e\): A History in Verse and Its Uses in the Mathematics Classroom

The author uses her poem, 'The Enigmatic Number e,' to show how poetry about the history of mathematics can be used to enrich and enliven mathematics instruction.

10 Into 3 Parts

Make of 10 three parts such that one part multiplied by 3 makes as much as the other multiplied by 4 and as the other multiplied by 5.