Example image of eyePlorer eyePlorer map for 'Circumscribed circle': Circle Geometry Centre (geometry) Rectangle Regular polygon Simple polygon Triangle Minimum bounding circle Bisection Perpendicular Midpoint Compass Pilotage Position line Sextant Hypotenuse If and only if Thales' theorem Angle Diameter Trigonometric functions Law of sines Nine-point circle Altitude (triangle) Centroid Heron's formula Euler line Isogonal conjugate Line (geometry) Numerical stability Delaunay triangulation Set (mathematics) Cartesian coordinate system Euclidean geometry Kernel (mathematics) Matrix (mathematics) Polarization identity Determinant Laplace expansion Circumscribed sphere Tetrahedron Trilinear coordinates Barycentric coordinates (mathematics) Euclidean space Cross product Dot product Euclidean vector Linear combination Unit vector Right-hand rule