Elements of Geometry and Trigonometry, from the Works of A. M. Legendre

adjacent altitude angle ACB angle BAC bisect centre chord circ circle circumference circumscribed co-sec common compute cone consequently contents convex surface Cosine Cotang cube cylinder degrees denote diagonal diameter difference distance divided draw drawn equivalent feet figure formula frustum given angle given line greater hence homologous homologous sides hypothenuse included angle inscribed intersect less Let ABC let fall logarithm magnitudes measured by half number of sides parallel parallelogram parallelopipedon pendicular perimeter perpendicular plane MN polyedral angle polyedron proportional PROPOSITION pyramid quadrant radii radius ratio rectangle regular polygon right angles right-angled triangle Scholium secant secant line segment side AC similar similar triangles sine slant height sphere spherical triangle square described straight line Substituting subtracting Tang tangent THEOREM third triangle ABC triangular prism triedral angles Trigonometry values vertex vertices volume