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Geometry
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Mathematics
Geometry
Geometry
Introduction
Points
Lines, rays and the coordinate system
Angles
Triangles
Quadrilaterals
Regular polygons
Irregular polygons
Circles
Congruence and similarity
Transformations
Incidence of points, lines and planes
The dihedral angle
The solid angle
The cube
Cuboids
The parallelepiped
Pyramids
The tetrahedron
Prisms
The platonic solids
Cones
Cylinders
The sphere
Ellipses
Spheroids
Ellipsoids