Elements of Geometry: With Practical Applications ...

ABCD altitude base bisect called centre chord circ circle circumference circumscribed coincide common cone consequently construction contained convex corresponding cylinder denote described diagonal diameter difference distance divided double draw equal equilateral equivalent exterior angle extremities figure follows formed four given gives greater hence included inscribed intersection join less lines drawn magnitude manner mean measured measured by half meet multiplied opposite parallel parallel planes parallelogram parallelopipedon pass perimeter perpendicular plane plane MN polygon portion prism PROBLEM produced Prop proportional PROPOSITION pyramid radii radius ratio rectangle regular polygon remain respectively right angles sector segment shown sides similar solid solid angle sphere spherical square straight line suppose surface taken tangent THEOREM third triangle ABC vertex VIII whole