Geometry formulas for area and perimeter of shapes


Circle


Annulus


Circle sector


Circle segment


Ellipse


Parabola


Triangle


Right triangle


Square


Rectangle


Parallelogram


Trapezoid


Pentagon


Hexagon


Heptagon


Octagon


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Sphere


Spherical cap


Cylinder


Oblique cylinder


Cone


Truncated cone


Pyramid three sided


Pyramid four sided