Schultze and Sevenoak's Plane and Solid Geometry

ABCD altitude angle base bisect bisector called chord circle circumference circumscribed coincide common cone congruent Construct contains corresponding cylinder diagonals diagram diameter dihedral angles distance divide draw drawn equal equidistant equivalent exterior angle figure Find Find the area Find the volume formed four given line given point greater half Hence hexagon homologous included inscribed intersecting isosceles triangle lateral edge length limit means measured median meet method mid-points opposite sides parallel parallelogram passes perimeter perpendicular plane polygon prism PROBLEM projection Proof Prop proportional PROPOSITION prove pyramid quadrilateral radii radius ratio rectangle respectively right angles right triangle segments sides similar sphere square straight line surface tangent THEOREM third transform triangle triangle ABC vertex vertices