Example image of eyePlorer eyePlorer map for 'Ceva's theorem': Geometry Concurrent lines Giovanni Ceva If and only if Yusuf al-Mu'taman ibn Hud Zaragoza Law of sines Barycentric coordinates (mathematics) Simplex Facet (mathematics) Center of mass Mass distribution Routh's theorem Constant curvature Duality (projective geometry) Median (geometry) Menelaus' theorem Cut-the-Knot Wolfram Demonstrations Project Isotomic conjugate Affine geometry Ceva (disambiguation) Triangle On-Line Encyclopedia of Integer Sequences The Underland Chronicles