1. QOD

2. Pythagorean Theorem

3. Pythagorean triple Pythagorean triple – a set of nonzero whole numbers a, b, and c that satisfy the equation 3,4,5 5,12,13 8,15,17 7,24,25

4. Practice #1 What is the length of the hypotenuse of triangle ABC?

5. You try. Find the length of the hypotenuse of triangle LMN. Do the side lengths form a Pythagorean triple?

6. Practice #2 What is the value of x? Simplify the radical if necessary.

7. You try. What is the value of x?

8. Converse of the Pythagorean Theorem What if a²+b² ≠ c²? Then what kind of triangle is formed? Acute Triangle: if c² < a² + b² Obtuse Triangle: if c² > a² + b²

9. Practice

10. You Try..

11. Homework/Classwork Pg. 495, #8-34 even

12. Closure Find x. 1.)2.) 3.)

13. QOD 1. 2.

15. Classwork/Homework WKST 8.1 WKST 8.1 (crossword)

16. Closure