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To find the area of a trapezoid. RULE. Multiply half the sum of the two parallel sides by the perpendicular distance between them : the product will be the area.

A System of Geometry and Trigonometry: Together with a Treatise on Surveying ... - Page 33
by Abel Flint - 1804 - 168 pages
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Examination of Titles: A Practical Manual on the Examination of Abstracts to ...

George Washington Thompson - Abstracts of title - 1929 - 360 pages

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Audels Millwrights and Mechanics Guide for Plant Maintainers, Builders ...

Edwin P. Anderson - Building - 1940 - 1220 pages

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Audels Shipfitter's Handy Book: A Practica Treatise on Steel Ship Building ...

Ralph Newstead - Shipbuilding - 1940 - 280 pages

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Sheet Metal Workers' Manual: A Complete, Practical Instruction Book on the ...

Louis Broemel - Sheet-metal work - 1941 - 584 pages

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McMichael's Appraising Manual: A Real Estate Appraising Handbook for Use in ...

Stanley L. McMichael - Real property - 1937 - 680 pages

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Audels Machinists and Tool Makers Handy Book

Frank Duncan Graham - Machine-shop practice - 1941 - 1682 pages

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Concrete Products and Cast Stone

Henry Langdon Childe - Concrete - 1949 - 298 pages

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Appraising Manual: A Real Estate Appraising Handbook for Use in Field Work ...

Stanley L. McMichael - Real property - 1951 - 756 pages

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Sheet Metal Pattern Layouts: A Practical, Illustrated Treatise Covering All ...

Sheet-metal work - 1957 - 1160 pages

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Abstract and Title Practice: With Forms, Volume 1

Clinton P. Flick - Abstracts of title - 1958 - 1060 pages

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