maths surface area + volume equations Flashcards
1
Q
surface area of a cylinder:
A
2πrh + 2πr^2
2
Q
surface area of a sphere:
A
4πr^2
3
Q
volume of a sphere:
A
4/3πr^3
4
Q
volume of a cylinder:
A
πr^2h
5
Q
surface area of a cone:
A
πr^2 + πrl
6
Q
volume of a cone:
A
1/3πr^2h
7
Q
volume of a prism:
A
area of cross section x perp. length
8
Q
circumference of a circle:
A
πd
9
Q
area of a circle:
A
πr^2
10
Q
area of a trapezium:
A
1/2(base + top) x height
11
Q
volume of a pyramid:
A
1/3 x base area x h
12
Q
area of a trapezium:
A
(a+b/2) x h
13
Q
area of a triangle:
A
(b x h) / 2
