Solid Geometry

altitude angle formed angles are equal bisecting circle construct corresponding cube cubic denotes determine a plane diagonal diameter dihedral angles distance draw drawn equal respectively equal spheres EXERCISES face angles figure Find the area Find the number Find the radius Find the volume formula frustum given line given point intersecting planes isosceles lateral area lateral edges lines are parallel lune number of faces number of sides oblique parallel planes parallelogram perimeter plane angle plane determined plane geometry plane perpendicular plane Q polar triangle pole polyhedral angle prismatoid Proof prove radii ratio rectangular parallelepiped regular polygon regular polyhedron regular pyramid right circular cone right circular cylinder right prism right section right triangles similar slant height spherical angles spherical excess spherical polygon spherical segment spherical triangle square straight line tangent Theorem total area triangular prism triangular pyramid trihedral vertex vertices zone