1. 9.3 Converse of a Pythagorean Theorem
Classifying Triangles by their sides

2. Converse of the Pythagorean Theorem
If the square of the longest side is equal to the sum of the squares of the other sides then the triangle is a Right triangle.

3. Theorem
If c2 is less then a2 + b2, then the triangle is Acute

4. Theorem
If c2 is greater then a2 + b2, then the triangle is Obtuse

5. The Gift Wrapping Principle
If you are trying to find out what type of triangle can be made from the given sides and the smaller sides sum is not greater then the largest side, then a triangle can not be made.
Do you remember going over this around Christmas?

6. What type of Triangle
Sides

7. What type of Triangle
Sides

8. What type of Triangle
Sides

9. What type of Triangle
Sides

10. What type of Triangle
Sides

11. What type of Triangle
Sides

12. What type of Triangle
Sides

13. What type of Triangle
Sides

14. Homework
Page 546 – 549
# 8 – 25, 26, 28,
36, 37, 40,