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Special Right Triangles 9.4 Chapter 9 Right Triangles and Trigonometry Section 9.4 Special Right Triangles FIND THE SIDE LENGHTS OF SPECIAL RIGHT TRIANGLES.

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Presentation on theme: "Special Right Triangles 9.4 Chapter 9 Right Triangles and Trigonometry Section 9.4 Special Right Triangles FIND THE SIDE LENGHTS OF SPECIAL RIGHT TRIANGLES."— Presentation transcript:

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2 Special Right Triangles 9.4 Chapter 9 Right Triangles and Trigonometry Section 9.4 Special Right Triangles FIND THE SIDE LENGHTS OF SPECIAL RIGHT TRIANGLES USE SPECIAL RIGHT TRIANGLE TO SOLVE PROBLEMS

3 Special Right Triangles 9.4 Special Right Triangles C ONCEPT S UMMARY 30-60-90 Triangle 45-45-90 Triangle FIND THE SIDE LENGHTS OF SPECIAL RIGHT TRIANGLES 2x x The hypotenuse is the times the leg! The hypotenuse is 2 times the short leg! The long leg is the times the short leg

4 Special Right Triangles 9.4 FIND THE SIDE LENGHTS OF SPECIAL RIGHT TRIANGLES

5 Special Right Triangles 9.4 FIND THE SIDE LENGHTS OF SPECIAL RIGHT TRIANGLES

6 Special Right Triangles 9.4 FIND THE SIDE LENGHTS OF SPECIAL RIGHT TRIANGLES

7 Special Right Triangles 9.4 FIND THE SIDE LENGHTS OF SPECIAL RIGHT TRIANGLES 2x x

8 Special Right Triangles 9.4 FIND THE SIDE LENGHTS OF SPECIAL RIGHT TRIANGLES 2x x

9 Special Right Triangles 9.4 FIND THE SIDE LENGHTS OF SPECIAL RIGHT TRIANGLES 10 is the short leg since it is opposite the 30° Angle Hypotenuse = 2(Short Leg) y = 2(10) y = 20

10 Special Right Triangles 9.4 HW #26 Pg 554-555 12-24

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