Geometry/Notes 7.3

1. Special Right Triangles

2. • How can I use the properties of 45-45-90 and 30-60-90 triangles?

3. • Angles are paired up with the opposite side C a b A B c

4. Leg Leg Hypotenuse 45 45 90 1 1

5. x 10

6. 3 y

7. Any time you have a square, it will always be a 45 – 45 – 90 triangle

8. 9.6

10. • Worksheet

11. Short Leg Long Leg Hypotenuse 30 60 90 1 2

12. 8 30° What if we know the other leg?

13. 60° 8 What if we know the hypotenuse?

14. 60° What if we know the other leg?

15. Must be equilateral or isosceles 12

16. If it is a rectangle you must be given a 30 or 60 angle 30° 4

17. • Worksheet

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