Babbit, Arthur B · New York, H. Holt and company · leaf 180
Fig. 73 Triangles classified by sides An equilateral triangle is one having all of itsequal in length. SeeFig. 74. This triangleis frequently called equi-angular, as all of itsangles are also equal. An isosceles triangle isone having two of itssides equal. See Fig. 75.Two of the angles of… … Fig A scalene triangle is one having no two of its sides 170 MECHAXICAL DRAWIXG
Mechanical drawing
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