Plane and Solid Geometry

ABCD altitude base becomes bisected bisectors called chord circle circumference common cone congruent considered construct converse convex COROLLARIES corresponding DEFINITIONS determined diagonals diameter distance divided draw drawn edges equal equal angles equidistant equilateral EXERCISES faces figure Find four geometry given line given point greater half Hence included inscribed interior angles intersection isosceles joining lateral less locus mean measure meet mid-points Note opposite sides parallel parallelogram passes perpendicular placed plane polygon Post Problem produced Proof proportional prove pyramid quadrilateral radius ratio rectangle regular respectively right angle segments sides similar Similarly solution space sphere spherical square step straight angle straight line student suggested Suppose surface symmetric tangent Theorem transversal triangle true vertex vertices volume zero