Mensuration formulae Flashcards
1
Q
sphere surface area
A
4πr^2
2
Q
sphere volume
A
4/3π^3
3
Q
kite area
A
(vertical diagonal x horizontal diagonal) /2
4
Q
trapezium area
A
(sum of parallel sides) /2 x height
5
Q
triangle area
A
base x height /2 or ab sin C
6
Q
sector area
A
theta/360 x πr^2
7
Q
sector length
A
theta/360 x 2πr
8
Q
cylinder volume
A
πr^2h
9
Q
cylinder curved surface area
A
2πrh
10
Q
cone volume
A
(πr^2h) /3
11
Q
prism volume
A
cross- sectional area x length
12
Q
circle area
A
πr^2
13
Q
circle perimeter
A
2πr
