Plane and Solid Geometry

ABC and A'B'C acute angle altitude angle formed base bisectors bisects called central angle chord circle circumference circumscribed congruent construct Corollary corresponding cube cylinder diagonal diameter dihedral angle distance divide Draw drawn equiangular equilateral triangle EXERCISES figure Find the area frustum Geometry given line given point HINT hypotenuse inches inscribed interior angles intersection isosceles triangle lateral area lateral edges length locus lune measured middle point number of sides Outline of Proof parallel lines parallelepiped parallelogram perimeter perpendicular plane MN polygon ABCDE polyhedral angle polyhedron prism protractor prove quadrilateral radii radius ratio rectangle regular polygon respectively rhombus right angles right triangle ruler and compasses secant segment side opposite similar slant height sphere spherical polygon spherical triangle square straight line subtends surface tangent tetrahedron Theorem VII trapezoid triangle ABC triangular prisms trihedral vertex vertices volume