A hand book of general instruction for mechanics, containing useful rules and memoranda for practical men (1907)
Smith, Franklin Elijah, 1872- · New York, D. Van Nostrand company · leaf 206
Fig. 12 3 _4 12 square feet. Arts. Example. Find the area of a rhomboid whose base is2 feet and whose height is 5^ feet. (Fig. 13.) … *—i Fig. 132. 1010 11.0 square feet. Arts. 194 A HAND BOOK FOR MECHANICS The Trapezoid A trapezoid is a plain four-sided figure, having two ofits opposite sides parallel and the other two not so.(Figs. 14 and 15.)
Mechanics · Arithmetic · Measurement
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