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Special Right Triangles Isosceles Right Triangles 45 – 45- 90.

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Presentation on theme: "Special Right Triangles Isosceles Right Triangles 45 – 45- 90."— Presentation transcript:

1 Special Right Triangles Isosceles Right Triangles 45 –

2 o x = x 2 2 = x 2

3 1 1 Ratio Leg:Leg:Hypotenuse leg hypotenuse

4 Isosceles right triangles are all similar

5 1 1 Ratio Leg:Leg:Hypotenuse leg hypotenuse

6 Ex. # 1 – Find the lengths of missing sides 5cm x y 1 1

7 30 – 60 – 90 Triangles

8

9 o 30 o 1 ?x x 2 = 2 2 x 2 = 3

10 2 hypotenuse 1 short Leg long leg 60 o 30 o Ratio, hypotenuse:short leg:long leg

11 30 – 90 – 60 triangles are all similar

12 2 hypotenuse 1 short Leg long leg 60 o 30 o Ratio, hypotenuse:short leg:long leg

13 Ex. # 2 – Find the lengths of the missing sides 2 hypotenuse 1 short Leg long leg 60 o 30 o 7 x y y 60 o 30 o

14 451/ /32,35


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