Maths Equations Flashcards by Bella Henry | Brainscape

Q

Volume of Cuboid

A

Length x width x height

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Q

Volume of a prism

A

Area of the cross section x length

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Q

Pythagoras

A

a^2 + b^2 = c^2

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Q

Trig Sin

A

Sin (x) opposite/hypotenuse

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Q

Area of a triangle

A

1/2 x base x height

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Q

Area of a trapezium

A

1/2 x height

(Top+Bottom lengths) x height

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Q

Circumference of a circle

A

Pie x diameter

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Q

Area of a circle

A

PieR^2

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Q

Area of a rectangle

A

Length x width

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Q

Area of a parallelogram

A

Base x height

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Q

Volume of a cylinder

A

Pie x R^2 x H

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Q

Trig Tan

A

Tan (x) = opposite/adjacent

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Q

Trig Cos

A

Cos (x) = adjacent/hypotenuse

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Q

Speed

A

Distance/Time

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Q

Density

A

Mass/Volume

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Q

Pressure

A

Force/Area

Q

Quadratic Equation

A

X= -b(+-) root b^2 - 4ac/ 2a

Q

Volume of a pyramid

A

1/3 x base area x height

Q

Area of a non right angled triangle

Sin

A

1/2 an sin C

Q

Cosine Rule

A

a^2 = b^2 + c^2 - 2bc cos A

Q

Sine Rule

A

a/sin A = b/sin B = c/sin C

Q

Volume of a Cone

A

1/3 x pie x radius^2 x height

Q

Curved Area of a hemisphere

A

2 x pie x r^2

Add 1 circle area

Q

Volume of a cube

A

Length x width x height

Q

Curved surface area of a cylinder

A

Pie x diameter x height

Then add 2 circles area

Q

Volume of a frostum

A

Volume of a larger cone - volume of a smaller cone

Q

Volume of a sphere

A

4/3 x pie x R^3

Q

Curved surface area of a cone

A

Pie x radius x slant height

Q

Surface area of a sphere

A

4 x pie x radius^2

Q

Volume of a hemisphere

A

2/3 x pie x radius^3

Q

Surface area of a frostum

A

SA of larger cone - SA of smaller cone