know by heart Flashcards
1
Q
circumference of a circle
A
C = 2π r
2
Q
area circle
A
A = π r2
3
Q
area sphere
A
A = 4π r2
4
Q
volume sphere
A
V = 4/3 π r3
5
Q
area cylinder
A
A = 2π rh + 2π r2
6
Q
volume cylinder
A
V = π r2h
7
Q
mega
A
10 6 M
8
Q
kilo
A
10 3 k
9
Q
centi
A
10 -2 c
10
Q
milli
A
10 -3 m
11
Q
micro
A
10 -6 u
