Note:

This page is used to host some illustrations and animations for my schoolwork, there will not be any technical details provided.

• Each row is a single step of reasoning.
• First column: The current sketch.
• Second column: Where to model is attending to.
• Third column: The action to take.

### Problem

Let $M$ be mid point of $AB$, $l$ go through $M$ and intersect $AC$ at $N$.

Prove that $N$ is the mid point of $AC$.

GIF proof:

Static proof:

GIF proof:

Static proof:

GIF proof:

Static proof: