Basic geometry formulas

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Geometry formulas for area and perimeter of shapes


Circle

Circle sector

Circle segment

Annulus

Annulus sector

Ellipse

Parabola

Triangle

Right triangle

Isosceles triangle

Square

Rectangle

Rhombus

Parallelogram

Trapezoid

Pentagon

Hexagon

Heptagon

Octagon

Nonagon



Sphere

Spherical cap

Cylinder

Oblique cylinder

Ellipsoid

Cone

Truncated cone

Pyramid three sided

Pyramid four sided

Parallelepiped