The Pythagorean Theorem is a super useful tool that helps us solve problems with triangles. Its formula is $a² + b² = c²$. Here’s how I’ve used it:

1. Understanding Triangles: If you have a right triangle and you know the lengths of two sides (let's call them $a$ and $b$), you can find the length of the longest side, called the hypotenuse ($c$), with this formula.

2. Everyday Examples: I’ve used this idea when measuring distances. For instance, if I want to find out how tall a tree is, I can stand a certain distance away from it. Then, I can use the theorem to calculate the height of the tree.

3. Making Things Simpler: It’s great for breaking down tricky shapes into right triangles. This way, it's easier to figure out any unknown distances.

Using the Pythagorean Theorem makes solving these kinds of problems a lot less scary!