Learn that the Pythagorean Theorem describes the relationship between the lengths of the sides of a right triangle. Discover visual and algebraic proofs. Apply the Pythagorean Formula to find missing side lengths. Derive the distance formula for points in the coordinate plane.
Discover that the angles in a triangle always sum to 180°. Prove the Triangle Sum Theorem visually and algebraically. Use the Triangle Sum Theorem to find missing angles in simple and compound triangles.