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INTRODUCTION SECT PAGE 1 The Purpose of Descriptive Geometry
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abcd angular points apparent shadow auxiliary plane base common perpendicular consider construction contour lines convex convex polygon descriptive geometry determine dihedral direction Draw the straight equal face figured plan frontal line given angle given plane given straight line gonal graduated ground line hinge horizontal plane horizontal projection horizontal rabatment horizontal trace inclination intersecting straight lines interval lateral edges level line lies line of correspondence line of index line of intersection line of steepest line parallel method oblique projection orthogonal projection perpendicular distance plane 77 plane defined plane of projection planes are parallel point of intersection polygon of intersection polyhedra polyhedron position prism problem profile plane punctuation pyramid representation respectively right angles rotation scale of slope scale units secant plane segment shadow cast shadow polygon sides solid steepest slope tetrahedron trihedral angle vertex vertical trace visible outline zontal