Maths Equations Flashcards
Volume of Cuboid
Length x width x height
Volume of a prism
Area of the cross section x length
Pythagoras
a^2 + b^2 = c^2
Trig Sin
Sin (x) opposite/hypotenuse
Area of a triangle
1/2 x base x height
Area of a trapezium
1/2 x height
(Top+Bottom lengths) x height
Circumference of a circle
Pie x diameter
Area of a circle
PieR^2
Area of a rectangle
Length x width
Area of a parallelogram
Base x height
Volume of a cylinder
Pie x R^2 x H
Trig Tan
Tan (x) = opposite/adjacent
Trig Cos
Cos (x) = adjacent/hypotenuse
Speed
Distance/Time
Density
Mass/Volume
Pressure
Force/Area
Quadratic Equation
X= -b(+-) root b^2 - 4ac/ 2a
Volume of a pyramid
1/3 x base area x height
Area of a non right angled triangle
Sin
1/2 an sin C
Cosine Rule
a^2 = b^2 + c^2 - 2bc cos A
Sine Rule
a/sin A = b/sin B = c/sin C
Volume of a Cone
1/3 x pie x radius^2 x height
Curved Area of a hemisphere
2 x pie x r^2
Add 1 circle area
Volume of a cube
Length x width x height
Curved surface area of a cylinder
Pie x diameter x height
Then add 2 circles area
Volume of a frostum
Volume of a larger cone - volume of a smaller cone
Volume of a sphere
4/3 x pie x R^3
Curved surface area of a cone
Pie x radius x slant height
Surface area of a sphere
4 x pie x radius^2
Volume of a hemisphere
2/3 x pie x radius^3
Surface area of a frostum
SA of larger cone - SA of smaller cone
