Formulas Flashcards
1
Q
Circumference of a circle
A
C = 2πr
2
Q
Length of an Arc
A
L = θ/360 × 2πr
3
Q
Perimeter of a Sector
A
P = θ/360 × 2πr + 2r
4
Q
Area of Triangle
A
1/2 × bh
5
Q
Area of a Parallelogram
A
A = bh
6
Q
Area of a Trapezium
A
A = 1/2 × (a + b) × h
7
Q
Area of a Rhombus or Kite
A
A = 1/2 × 𝑥y
8
Q
Area of a Circle
A
A = πr^2
9
Q
Area of a Sector
A
A = θ/360 × πr^2
10
Q
SA of Cylinder
A
SA = 2πrh + 2πr^2
11
Q
Volume of Cylinder
A
V = πr^2 × h
12
Q
Volume of a Prism
A
V = Ah
13
Q
Volume of a Pyramid
A
V = 1/3 × Ah
14
Q
Volume of a Sphere
A
V = 4/3 × πr^3
15
Q
SA of Sphere
A
SA = 4 × πr^2