Formulas Flashcards
1
Q
How to find the perimeter
A
Plus all sides together
2
Q
area of a square / rectangle
A
Base x height
3
Q
area of a triangle
A
B x h / 2
4
Q
Area of a trapezium
A
Top + bottom
——————— x height
2
5
Q
Area of a circle
A
2
Pi x r^
6
Q
Circumference of a circle
A
2 x pi x r
OR
Pi x d
7
Q
Volume of a cylinder
A
2
Pi x r^ x h
8
Q
Volume for a sphere
A
3
4/3 x pi r^
9
Q
Volume of a cone
A
2
Pi x r^ 1/3 x h
10
Q
Volume of a prism
A
Length x width x height
11
Q
Volume of a pyramid
A
1/3 x h x l x w
12
Q
Interior angle
A
(N - 2) 180 = x / n
13
Q
Exterior angle
A
360 / n
