Volumes and SA Flashcards
1
Q
Vol of cylinder
A
pi r² h
2
Q
Vol of cone
A
⅓ pi r² h
3
Q
Vol of sphere
A
4/3 pi r³
4
Q
SA of cylinder
A
2 pi r h × 2 pi r²
5
Q
SA of cone
A
2 pi r l + pi r²
6
Q
SA of sphere
A
4 pi r²
7
Q
Vol of trapezium
A
(A+B)/2 × l × h
Where A and B are the top and bottom widths
8
Q
What to take note of when calculating SA of rectangular prism
A
Remember to do separate calculations for different faces as they involve different w/l/h.
