Elements of Geometry

ABCD altitude base Book called centre chord circle circumference circumscribed coincide common cone construct Corollary cylinder describe diagonals diameter diedral angles difference distance divide draw drawn edges equal equivalent faces fall figure four geometrical give given given point greater half Hence homologous included inscribed intersect join less limit locus manner measure meet middle multiplied opposite parallel parallelogram parallelopipedon pass perimeter perpendicular plane plane MN pole polyedron polygon preceding prism PROBLEM Prop proportional PROPOSITION prove pyramid quadrilateral radii radius ratio reason rectangle regular polygon respect right angles right line Scholium segment sides similar situated solid angle sphere spherical square suppose surface symmetrical taken tangent tetraedrons theorem third tlie triangle ABC triedral vertex vertices volume