2D and 3D Geometry Formulas

  

1. 2D SHAPES

TRIANGLE

A: Area, P: Perimeter

Median

Angle bisector

RIGHT TRIANGLE 

SQUARE

RECTANGLE

PARALLELOGRAM

LOZENGE

TRAPEZOID

CONVEX QUADRILATERAL 

CIRCLE

SEGMENT OF CIRCLE

SECTOR OF CIRCLE

b: Arc length

REGULAR POLYGON OF N SIDES

HEXAGON

2. 3D SHAPES

SPHERE

V: Volume, A: Surface Area

SPHERICAL CAP

SPHERICAL SEGMENT

SPHERICAL SECTOR

TORUS

CYLINDER

A: Lateral surface area

CONE

A: Lateral surface area

FRUSTUM OF RIGHT CIRCULAR CONE

PYRAMID

A: Base Area

CUBOID

A: Surface Area

TRIANGULAR PRISM

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