Elements of Geometry

A B C ABCD altitude base bisect called centre chord circle circumference circumscribed common cone consequently construct contained convex surface cylinder described diagonal diameter difference distance divided draw drawn edges equal equal Prop equilateral equivalent EXAMPLES faces feet figure formed four frustum given gles greater half hence inches included inscribed intersection join length less liave magnitudes manner mean measured meet middle multiplied opposite parallel parallelogram parallelopipedon pass perimeter perpendicular plane polygon prism PROBLEM Prop proportional PROPOSITION pyramid radii radius ratio rectangle regular remain right angles rods Scholium sector segment sides similar solidity sphere spherical square straight line surface tangent THEOREM third tlie triangle vertex vertices VIII whole zone