1. Special Right Triangles Chapter 7.4

2. Special Right Triangles 45-45-90 triangles 30-60-90 triangles

3. 45°- 45°- 90° Triangles Theorem 7.8 In a 45°- 45°- 90° triangle, the 2 legs have the same length and the hypotenuse is

4. Find the Hypotenuse

6. Find the legs

7. Find x

8. Find a, b, and c 8 15 6

9. 30°- 60°- 90° Triangles Theorem 7.9 In a 30°- 60°- 90° Triangle the hypotenuse is twice the length of the smallest leg, while the longer leg is

10. Finding the sides of a 30°- 60°- 90° Triangle 1. Identify what sides of the triangle are known (the hypotenuse, smaller leg or the larger leg). 2. Hypotenuse = 2(smaller leg) 3. Larger leg = (smaller leg) 8

11. Find x and y 12

12. Find x and y

13. Find d, e, and f

14. Find x and y

15. °

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