Example image of eyePlorer eyePlorer map for 'Area': Curve Dimension Quantity Surface Polyhedron Differential geometry of surfaces Invariant Acre Are Chain (length) Furlong Hectare Mega- Perch (unit of measure) Shape Square Square foot Square mile Square yard Triangle Heron's formula Shoelace formula Infinitesimal calculus Integer Simple polygon Pick's theorem Equality (mathematics) Function (mathematics) Graph of a function Integral Subtraction Line integral Parametric equation Polar coordinate system Cone (geometry) Cube Cuboid Prism (geometry) Parametric surface Minimal surface Soap bubble Filling area conjecture Riemannian circle Orders of magnitude (area) 1 E+10 m² 1 E+12 m² 1 E+13 m² 1 E+14 m² 1 E+15 m² 1 E+16 m²