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Special Right Triangles

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Presentation on theme: "Special Right Triangles"— Presentation transcript:

1 Special Right Triangles
Isosceles Right Triangles 45 –

2 1 = x2 45o 2 = x2 1 x 45o

3 Ratio Leg:Leg:Hypotenuse
1 leg 1 leg hypotenuse

4 Isosceles right triangles are all similar

5 Ratio Leg:Leg:Hypotenuse
1 leg 1 leg hypotenuse

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

7 30 – 60 – 90 Triangles

8

9 12 + x2 = 22 x2 = 3 30o 2 2 x ? 60o 1 2

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

11 30 – 90 – 60 triangles are all similar

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

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

14 451/ /32,35


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