From four-dimensional hexagons to the mind-bending amplituhedron, geometrical shapes are wilder than we learn at school - and ...

When I is rotated 90° anti-clockwise it has the same orientation as L. Back to top. Similar shapes. Two shapes are described as similar close similar shapes One shape is an enlargement of another.

In the first division of meiosis, however, sister chromatids become attached from the same pole and co-segregate, ... Kinetochore geometry regulates chromosome orientation.