Math Shortcuts Flashcards
0
Q
4! =
A
4 x 3 x 2 x 1 = 24
1
Q
3! =
A
3 x 2 x 1
2
Q
5! =
A
5 x 4 x 3 x 2 x 1 = 120
3
Q
6! =
A
6 x 5 x 4 x 3 x 2 x 1 = 720
4
Q
30 degrees:60 degrees:90 degrees
A
1:square root of 3:2
5
Q
45 degrees:45 degrees:90 degrees
A
1:1:square root of 2
