The pythagorean (pi-THA-gor-in) theorem is a formula which explains the relationship between sides of a right triangle (a triangle w/ one 90 degree angle)

Formula:

where a and b are the legs and c is the hypoteneuse.

There is also a thing called a **Pythagorean Triple**, where in a and b are equal to c.

Such an example is with Where and which is 25