This is a topic under mathematics.
Sub topics: Triangle, Hyperbolic Geometry
Computational Geometry
link.springer.comThe Shape of Space
goodreads.comFlatterland
goodreads.comMultivariate Calculus and Geometry
link.springer.comThe Planiverse
goodreads.comA Comprehensive Introduction to Differential Geometry, Vol. 1
goodreads.comThings to Make and Do in the Fourth Dimension
goodreads.comThe Fractal Geometry of Nature
goodreads.com