The Unsaid Foundations: 5 Undefined Terms that Underpin Geometry Geometry, the world of shapes and sizes, seems built on precise definitions. You have your lines, angles, circles, all neatly labelled and measured. But wait! What about the very building blocks of these geometric wonders? Some key terms remain refreshingly undefined, serving as the unspoken bedrock upon which the rest of geometry stands. Ready to dive into the fascinating world of geometric ambiguity? Let's explore 5 undefined terms that make the magic happen: 1. Point: Imagine the tip of a needle with no size, no width, no thickness. Just a location in space, marked by a dot. That's a point! It might seem simple, but this fundamental concept allows us to define lines, segments, and more. Think of it as the anchor point for all geometric adventures. 2. Line: Now, imagine extending that point infinitely in both directions. No curves, no kinks, just pure, unending straightness. That's a line! This one-dimension...