intro Let's learn about the Pythagorean Theorem reminder Hypotenuse - the side opposite the right angle attention rectangle Hint: The legs form an L or backwards L You calculate this one. 13EXPstart2EXPend = 13 X 13 = ____ 169 If a triangle is a right triangle, when you add the squares of the legs, it will equal the square of the ___________ hypotenuse What number times itself equals 400? 40 20 200 20 reminder Let's look at the parts first. Which are the legs? Remember they form an L shape.