I'm not that sure on how to reflect the Shape $A$. I know where the line $x = 1$ but I don't know which way to reflect it. To the left or up? Thanks, I know it seems a bit easy.
geometry - Reflection of a curve around a slant line - Mathematics Stack Exchange
Linear Transformation from R^2 to R^2 Given in Figure
Frontiers Two-dimensional irregular packing problems: A review
linear algebra - What's an intuitive way to think about the
How to reflect a function over a line (graph and equation please) - Quora
How to find the reflection of a line over a line - Quora
Reflection Over X & Y Axis, Overview, Equation & Examples - Lesson
Linear Algebra, Reflection through a Line
New Proof Reveals the Hidden Structure of Common Equations
How to reflect a function over a line (graph and equation please) - Quora
Mathematics You Should Know To Understand Neural Networks, by Sommer Shurbaji
Reflect Function About y-Axis: f(-x) - Expii