Triangles

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Special Right Triangles : 

Special Right Triangles

Slide 2: 

Take a square…

Slide 3: 

Find its diagonal Here it is

Slide 4: 

Find its length x d x

Slide 5: 

x d x

Summarize the pattern: : 

Summarize the pattern:

45o-45o-90o : 

45o-45o-90o leg leg leg

45o-45o-90o : 

45o-45o-90o 6 6 6

Practice: : 

Practice:

45o-45o-90o : 

45o-45o-90o 8 8 8

45o-45o-90o : 

45o-45o-90o 5 5 5

45o-45o-90o : 

45o-45o-90o 10 10 10

45o-45o-90o : 

45o-45o-90o 2

45o-45o-90o : 

45o-45o-90o

Slide 15: 

45o- 45o-90o

45o-45o-90o : 

45o-45o-90o

30o-60o-90o : 

30o-60o-90o Hypotenuse Longer leg Shorter Leg

30o-60o-90o : 

30o-60o-90o Hyp. ½ Hyp. ½ Hyp.

30o-60o-90o : 

30o-60o-90o

Practice: : 

Practice:

30o-60o-90o : 

30o-60o-90o

30o-60o-90o : 

30o-60o-90o

30o-60o-90o : 

30o-60o-90o

30o-60o-90o : 

30o-60o-90o

30o-60o-90o : 

30o-60o-90o

30o-60o-90o : 

30o-60o-90o

30o-60o-90o : 

30o-60o-90o

30o-60o-90o : 

30o-60o-90o

30o-60o-90o : 

30o-60o-90o

30o-60o-90o : 

30o-60o-90o

Review Both Patterns: : 

Review Both Patterns:

45o-45o-90o : 

45o-45o-90o leg leg leg

30o-60o-90o : 

30o-60o-90o Hyp. ½ Hyp. ½ Hyp.

Mixed Practice: : 

Mixed Practice:

Slide 37: 

8 8 8

Slide 38: 

10 10 10

Slide 43: 


Slide 48: 

4 4

Slide 49: 

2

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