Elements Of Geometry And Trigonometry

ABCD altitude base called centre chord circle circumference circumscribed coincide common cone consequently construct corresponding Cosine Cotang cylinder denote described diameter difference distance divided draw drawn edges equal EXAMPLES extremity faces feet figure formed Formula four frustum given greater half hence homologous included inscribed intersection less logarithm lower base manner mean measured meet multiplied opposite parallel parallelogram parallelopipedon pass perpendicular placed plane polyedron polygon position prism PROBLEM proportional PROPOSITION proved pyramid quantities radii radius rectangle regular right angles RULE Scholium segment shown sides similar sine solution sphere spherical triangle square straight line surface taken Tang tangent term THEOREM third triangle triangle ABC unit upper vertex vertices volume whence