Example image of eyePlorer eyePlorer map for 'Chord (geometry)': Curve Geometry Line segment Secant line Circle Bisection Power of a point Circular segment Trigonometry Degree (angle) Hipparchus Angle Length Trigonometric functions List of trigonometric identities Radius Linear approximation Beltrami–Klein model Butterfly theorem Conjugate diameters Holditch's theorem Motzkin number Diameter Inscribed angle Shape factor (image analysis and microscopy) 375 Ursula 39 Laetitia Degree of curvature History of trigonometry Points on the Curve 345 Tercidina 48 Doris 94 Aurora 444 Gyptis 51 (number) Polar coordinate system Single track (rail) 65 Cybele Bertrand's paradox (probability) 423 Diotima Caccioppoli set The Quadrature of the Parabola Patterson Viaduct Law of sines Almagest Catuṣkoṭi 704 Interamnia 16 Psyche Mean value theorem Inscribed angle theorem