πrsl r = radius sl = slant height 4s^2 s=side

Area of a Circle
Area of Equilateral Triangle
A = Π x square of radius
A=
√
Area of n gon
Area of a Parallelogram
A = ½ apothem * Perimeter
A= base x height
Area of a Rectangle
Area of a Rhombus
Area of a Square
Area of a Trapezoid
Area of a Triangle
Base Area of Heptagon
Base Area of Hexagon
Base Area of Octagon
Base Area of Parallelogram
Base Area Pentagon
Base Area Rectangle
Base Area Square
Base Area Trapezoid
Base Area Triangle
Circumference of a Circle
Diagonals of N-gon
A = length x width
A = ½ Diagonal 1* Diagonal 2
A=
A = ½ ( Base1 + Base 2 ) height
A = ½ Base x Height
Area of Base = ½ apothem * perimeter
Area of Base = ½ apothem * perimeter
Area of Base = ½ apothem * perimeter
Area of Base = base * altitude
Area of Base = ½ apothem * perimeter
Area of Base = length * width
Area of Base = Square of side
Area of Base = ½ (height)(base 1 + base2)
Area of Base = 1/2base * height
C =2 x Π x radius
Distance Formula
√
General Form
h and K and
coordinates of the circle and r = radius
H=
√
⁄
√
Equation of a Circle
45 45 90 Triangle Hypotenuse
45 45 90 Triangle Legs
Heron’s Formula
Horizontal Line
Lateral Area of Cone
Diagonals =
then
√
Y = ( any number)
πrsl
r = radius
sl = slant height
Lateral Area Cube
4s^2
s=side
Lateral Area Cylinder
Circumference x Height
Lateral Area Prism
Perimeter x height
Lateral Area Pyramid
1/2P * sl
sl =slant height
P=perimeter
Lateral Area Rectangular Solid
Perimeter *height
Lateral Area Right Cone
LA = ½ Psl
P=2πr
sl = slant height
Lateral Area Right Cylinder
LA = 2πr*h
Lateral Area Right Prism
LA = Ph
P = sum of base sides
h = height
Midpoint Formula
(
Perimeter of a Parallelogram
Perimeter of a Rectangle
Perimeter n gon
Perimeter of a Rhombus
Perimeter of a Square
Perimeter of a Trapezoid
Perimeter of a Triangle
Point Slope Form
Slope
P= 2( base + side)
P= 2(base + height)
P = number of sides * sides
P= 4 x side
P = 4 x side
Base1 + Base2 + Side1 + side 2
Side A + Side B + Side C
Slope Intercept Form
Surface Area of a Cone
Surface Area of a Cube
Surface Area of a Cylinder
Surface Area of a Prism
Surface Area of a Pyramid
Surface Area of a Rectangular
Prism
Surface Area of a right Cone
y = mx + b M = slope b = y intercept
Surface Area of a Right
Cylinder
Surface Area of a Right Prism
SA =
Lateral Area +
Lateral Area + 2Base
Lateral Area + 1Base
2(length*width + length*height + height*width)
SA = Perimeter * height + 2 Base
Surface Area of a Sphere
30 60 90 Triangle short and
long legs
Vertical Line
Volume of Cone
Short leg =½ hypotenuse
Long leg = ⁄
√
X = ( any number)
1/3πr^2
r = radius
Volume of Cube
V= s^3 s=side
Volume of Cylinder
V=πr^2 h r = radius h=altitude height
Volume of Prism
V=Bh
B = base which depends on shape
h = height
Volume of Pyramid
V=1/3 B * h
B depends on base shape
h=height
Volume Rectangular Solid
V= length x width x height
Volume Right Cone
V = 1/3 Bh B = πr^2 h =height
Volume Right Cylinder
V = Bh B = πr^2 h =height
Volume Right Prism
V= l*w*h
V =Base x height if it is not rectangle
Volume of a Sphere
V= 4/3 πr^3 r =radius