Shape Formulae Flashcards
1
Q
What is the formula for the volume of a cone?
A
1/3nr^2 x h
2
Q
Surface area of a Cone?
A
nr^2 + nrl
3
Q
Circumference of a circle?
A
nd
4
Q
Area of a circle
A
nr^2
5
Q
Volume of a cylinder
A
nr^2 x h
6
Q
Surface area of a cylinder
A
2nr^2 + 2nrh
7
Q
Area of a triangle
A
bh / 2
8
Q
Area of a trapezium
A
a+b/2 x h
9
Q
Volume of a pyramid
A
1/3 x area of base x h
10
Q
Volume of a sphere
A
4/3 nr^3
11
Q
Surface area of a sphere
A
4nr^2
12
Q
Volume of a prism
A
Cross section x length
13
Q
Area of a sector
A
Theta / 360 x nr^2
14
Q
Arc length of a sector
A
Theta / 360 x 2nr
15
Q
Formula for the volume of a frustum
A
nh/3 (R^2 + Rr + r^2)
