###
Circumference of a circle

C=2(π**radius) or C=π**diameter

###
Area of a rectangle

A=length*width

###
Area of a parallelogram

A=base*height

###
Area of a triangle

A=1/2(base*height)

###
Area of a trapezoid

A=1/2h(b1+b2)

###
Surface area of a cube

S=6s²

###
Surface area of a rectangular prism

S=2(length**width)+2(length**height)+2(height*width)

###
Surface area of a cylinder

S=2[(π*radius)height]

###
Volume of a prism

V=Base**height or V=length**width*height

###
Volume of a cylinder

V=Base**height or V=(π**radius)²*height

###
Volume of a pyramid

V=⅓(Base*height)

###
Volume of a cone

Volume = ¹/₃({π*radius}²)height

###
Pythagorean Theorem

a²+b²= c²

###
Fahrenheit to Celsius

C = 5/9 (F-32)

###
Celsius to Fahrenheit

F= 9/5 (C+32)

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