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Flashcards in geometry Deck (5)
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1

30-60-90

hypothenuse: 2(shortest leg)

 

longer leg: √3* shorter leg 

2

45-45-90

hypothenuse√2: leg

3

Triangle angle bisector

 

 

AD=AB

DC=BC

 

 

4

golden ratios

 

rectangle 

 

what is ratio mean 

See full size imagei 1 is geometric mean between .618 and 1.618  big rectangle length is 1.618 and small, golden rectange ratio is 1. 

5

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