The Elements of Plane and Solid Geometry: With Chapters on Mensuration and Modern Geometry

ABCD altitude angle ABC axis base bisect called centre chord circle circumference common cone construct Corollary cylinder describe diagonals diameter difference distance divided draw drawn ends equal equal angles equilateral extremities faces feet figure formed four frustum given greater half Hence inscribed interior angles intersection join length less Let ABC mean meet middle Multiply opposite parallel parallelogram parallelopiped pass perimeter perpendicular plane pole polygon portion prism Prop proportional Proposition proved pyramid quadrilateral quantities radii radius ratio reason rectangle contained regular polygon respectively right angles segment sides similar solid sphere spherical square straight line surface symmetrical Take tangent Theorem Theorem.-If third touch triangle triangle ABC true VIII volume whole