Chapter 9 Right Triangles and Trigonometry

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Presentation transcript:

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

The hypotenuse is the times the leg! FIND THE SIDE LENGHTS OF SPECIAL RIGHT TRIANGLES Special Right Triangles CONCEPT SUMMARY 2x x 30-60-90 Triangle 45-45-90 Triangle The hypotenuse is 2 times the short leg! The hypotenuse is the times the leg! The long leg is the times the short leg

FIND THE SIDE LENGHTS OF SPECIAL RIGHT TRIANGLES

FIND THE SIDE LENGHTS OF SPECIAL RIGHT TRIANGLES

FIND THE SIDE LENGHTS OF SPECIAL RIGHT TRIANGLES

FIND THE SIDE LENGHTS OF SPECIAL RIGHT TRIANGLES 2x x

FIND THE SIDE LENGTHS OF SPECIAL RIGHT TRIANGLES 2x x

10 is the short leg since it is opposite the 30° Angle 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

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