3d shapes Flashcards
1
Q
Surface area of cylinder
A
SA = 2πr^2 + 2πrh
2
Q
Surface area of cone
A
SA= πr^2 + πrl
3
Q
Surface area of rectangular pyramid
A
SA= Lw+2bs
4
Q
Surface area of square pyramid
A
SA=b^2+2bs
5
Q
Surface area of triangular pyramid
A
SA=(1/2) bh + (1/2)ps
6
Q
Surface area of hexagonal pyramid
A
SA=3ab + 3bs
7
Q
Surface area of sphere
A
SA=4πr^2
8
Q
Volume of cylinder
A
V = πr^2h
9
Q
Volume of cone
A
V=πr^2 h/3
10
Q
Volume of rectangular pyramid
A
V=1/3 Lwh
11
Q
Volume of square pyramid
A
V=1/3 b^2h
12
Q
Volume of hexagonal pyramid
A
V = √3/2 b^2 h
13
Q
Volume of triangular pyramid
A
1/6 bhh
14
Q
Volume of sphere
A
V=4/3 πr^3
15
Q
Circumfrance —-> radius
A
C=2πr