1. Non-Right Triangle Trig Area of a Triangle

2. Review Area Formula of a Triangle:

3. Area Formula (Must have or be able to get SAS) A = ½ (side)(side)(sine of the included angle)

4. Example Find the Area of the triangle below using the traditional area formula and then find the area by applying the formula

5. Example 2

6. Example 3 The area of is 12. If a = 9 and b = 6, find the measure(s) of angle C.

7. Example 4 Adjacent sides of a parallelogram have lengths 14cm and 8cm. The measure of the included angle is 40. Find the area of the parallelogram.

8. Example 5 Find the area of a regular hexagon with a radius of 10cm.

9. Example 6 Find the Area of the Quadrilateral below:

10. Practice Pg. 342 (1 – 13 odd)