A textbook on mechanical and electrical engineering (1898)
International Correspondence Schools · Scranton : International Textbook Co., [1898-99] · leaf 293
Fig. 82. 1 25. A trapcx.oid. Fig. 82,is a quadrilateral which has onlytwo of its sides parallel. 1 2H. A trapezium. Fig. 83, /is a quadrilateral having no twosides parallel. … Fig. 83. GEOMETRY AND TRIGONOMETRY. 283 127. The altitude of a parallelogram, or of a trape-zoid, is the perpendicular distance between the parallel sides.See dotted line in Figs. 80, 81, and 82. 1 28. A diagonal is a straight line drawn from the ver-tex of any angle of a quadrilateral to the…
Electrical engineering · Mechanical engineering
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