Solid Geometry

acute angle altitude altitude h angle formed Angle Sine angles are equal bisect circumference congruent Corollary corresponding cube diameter dicular dihedral angle distance drawn equal altitudes equal spheres equilateral EXERCISES face angles formula frustum gent Chord Arc given line given point Hence HINT hypotenuse inscribed lateral area lateral edges length lines are parallel locus lune whose angle measured number of sides parallel planes parallelogram perimeter perpen perpendicular to MN plane angles Plane Geometry plane MN plane perpendicular points equidistant polar triangle pole prove radii radius ratio rectangular parallelepiped regular polygons regular polyhedron regular pyramid respectively right angles right circular cone right prism right section right triangle segment Show similar slant height spherical degrees spherical excess spherical polygon spherical triangle square straight line surface tangent tetrahedron Theorem VII triangular prisms triangular pyramids trihedral truncated prism unequal V-ABC vertex vertices