How to Understand the Concept of Scale Changes: Area and Perimeter
TL;DR: When you scale a figure by a factor of \(k\), the perimeter multiplies by \(k\) and the area multiplies by \(k^2\). So doubling the side length doubles the perimeter but quadruples the area – a fact that catches almost every student the first time. Key takeaways: If you scale a figure by factor \(k\), […]