Mathematics Formulas Flashcards by Ethan Pinto | Brainscape

Q

Mean

A

Mean = Sum of all Numbers / Total Number of Values

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Q

Median for an ODD set of Numbers

A

(n+1)/2

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Q

Median for an EVEN set of Numbers

A

{(n/2)th + (n/2 + 1)th} / 2

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Q

Mode

A

The Number with the Most repetations

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Q

Range

A

The Highest Number - The Lowest Number

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Q

Sin A

A

Opposite / Hypotenuse

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Q

Cos A

A

Adjacent / Hypotenuse

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Q

Tan A

A

Opposite / Adjacent

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Q

Radiant 0 Degrees

A

0

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Q

Radiant 90 Degrees

A

Pi/2

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Q

Radiant 180 Degrees

A

Pi

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Q

Radiant 270 Degrees

A

3(Pi)/2

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Q

Radiant 360 Degrees

A

2(Pi)

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Q

Triangle: Acute Angle

A

Less than 90 Degrees

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Q

Triangle: Right Angle

A

Exactly 90 Degrees

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Q

Triangle: Obtuse Angle

A

More than 90 Degrees

Q

Triangle: Straight Angle

A

Exactly 180 Degrees

Q

Triangle: Reflex Angle

A

More than 180 Degrees

Q

Area of a Rectangle

A

A = L x W

Where, L = Length | W = Width

Q

Area of a Square

A

A = S^2

Where, S = Side

Q

Area of a Triangle

A

A = 1/2 x b x h

Where, b = Base | h = Height

Q

Area of a Parallelogram

A

A = L x H

Where, L = Length | h = Height

Q

Area of a Trapezoid

A

A = 1/2 x (B1 + B2) x h

Where, H = Height | B = Base

Q

Area of a Circle

A

A = (Pi) x r^2

Where, (Pi) = 3.14 | r = Radius of the Circle

Q

Circumference of a Circle

A

Circumference = 2 x (Pi) x r

Where, (Pi) = 3.14 | r = Radius

Q

Volume of a Rectangle

A

V= L x W x H

Where, L = Length | W = Width | H = Height

Q

Volume of a Cube

A

V = Side^3

Q

Volume of a Cylinder

A

Volume = (Pi) x r^2 x h

Where, (Pi) = 3.14 | r = Radius | h = Height

Q

Volume of a Sphere

A

Volume = 4/3 x (Pi) x r^3

Where, (Pi) = 3.14 | r = Radius

Q

Volume of a Cone

A

V = 1/3 x (Pi) x r^2 x h

Where, (Pi) = 3.14 | r = Radius | h = Height

Q

Volume of a Prism

A

V = 1/2 x b x h x L OR Area x Length

Where, b = Base | h = Height | L = Length