Geometry Formulas Flashcards
1
Q
area of a parallelogram
A
a = bh
2
Q
perimeter of a square
A
4s
3
Q
perimeter of a rectangle
A
2l + 2w
4
Q
circumference
A
2 𝝿r
5
Q
area of a square (using sides)
A
s²
6
Q
area of a square (using diagonal)
A
d²/2
7
Q
area of a rectangle
A
lw
8
Q
area of a triangle
A
1/2 bh
9
Q
area of a circle
A
𝝿r²
10
Q
area of a trapezoid
A
1/2 (b1 + b2)h
11
Q
surface area of a cube
A
6s²
12
Q
SA of cylinder
A
2𝝿r² + 2𝝿rh
13
Q
SA of cone
A
𝝿r² + 𝝿rh
14
Q
SA of sphere
A
4𝝿r²
15
Q
volume of a cube
A
s³
