The American student's guide

The American student's guide

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containing a compendious system of theoretical and practical arithmetic, compiled for the use of schools and private students in the United States George Alfred. Problem 7. ... Extract the square root of the difference of the squares of the base and hypothenuse, and that will be the height of the perpendicular required. ... Given the height of the roof and the width of the house, to find the length of the rafter.

Title:The American student's guide
Author:George Alfred
Publisher: - 1834


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