geometry Flashcards
1
Q
30-60-90
A
hypothenuse: 2(shortest leg)
longer leg: √3* shorter leg
2
Q
45-45-90
A
hypothenuse√2: leg
3
Q
Triangle angle bisector
A
AD=AB
DC=BC
4
Q
golden ratios
rectangle
what is ratio mean
A
i 1 is geometric mean between .618 and 1.618 big rectangle length is 1.618 and small, golden rectange ratio is 1.
5
Q
A
