Chauvenet's Treatise on Elementary Geometry

ABCD adjacent altitude angles are equal base BOOK called centre chord circle circumference circumscribed coincide common cone consequently construct contained Corollary cylinder Definition describe diagonal diameter diedral angle difference distance divided draw drawn equal equally distant equivalent Exercise extremities faces fall figure follows formed four frustum given line given point given straight line greater half Hence increased indefinitely inscribed intersection isosceles joining lateral edges length less limit locus mean measure meet middle point one-half opposite parallel parallelogram parallelopiped pass perimeter perpendicular placed plane polyedron polygon prism problem proportional PROPOSITION Proposition VII prove pyramid radii radius ratio rectangle rectangular regular polygon respectively right angles Scholium segment sides similar sphere spherical square Suggestion surface tangent Theorem third triangle triangle ABC triangular unit vertex vertices volume