Elements of Geometry, Conic Sections, and Plane Trigonometry

ABCD altitude angle ABC angle ACB angle BAC base bisected called chord circle circumference coincide common cone consequently construct contained corresponding cosine curve described diameter difference distance divided draw drawn ellipse equal equivalent extremities fall figure formed four frustum given greater half Hence hyperbola hypothenuse included inscribed intersect Join less logarithm major axis manner mean measured meet multiplied opposite parallel parallelogram pass perpendicular plane plane MN polygon prism PROBLEM Prop proportional PROPOSITION proved pyramid quadrant radius ratio reason rectangle regular remaining represent right angles secant segment sides similar sine solid sphere spherical square straight line tangent THEOREM third triangle ABC vertex vertices VIII whole