Chauvenet's Treatise on Elementary Geometry

ABCD adjacent altitude angle BAC angles are equal base bisect called centre chord circle circumference coincide common consequently construct contain Conversely Corollary corresponding Definition describe diagonals diameter difference direction distance divided draw drawn edges equal equally distant expressed exterior extremities faces fall figure follows formed four geometry given point greater hence homologous included indefinite inscribed intersection join less limit line drawn mean measure meet middle point oblique one-half opposite sides parallel parallelogram pass perimeter perpendicular placed plane polygon portion position preceding prism problem produced proportion PROPOSITION quadrilateral quantities radii radius ratio rectangle regular respectively revolving right angles Scholium secant segment sides similar square straight line suppose surface symmetrical tangent theorem third triangle ABC unit vertex vertices