1. Warm-up
1) Anthony decides to lean back his chair against the wall at a 45 degree angle. If his head is 3 feet from the ground, how far away is the foot of his chair from the wall? 2) 3)

2. Area of a Triangle
Day 5

3. Area of a Triangle
Formula: ½bh where the base and the height are always perpendicular! What is the base and height if it is a right triangle?

4. Examples

5. Examples

6. What happens when you don't have the height of the triangle?

7. So that means that if you have 2 sides and the included angle of a triangle you can use the formula: Area = ½ (a)(b)(sin C)

8. You Try