Need To Know Formulae Flashcards
Area Rectangle
Length x width
Area Parallelogram
Base x hight
Area Triangle
1/2 base x hight
Area Trapezium
Half the sum of the parallel sides times the distance between them
1/2 ( length a + length b) X hight
Volume Cuboid
Hight x length x width
Volume Prism
Area of cross section x length
Volume Cylinder
Volume Pyramid
Cylinder (curved surface area)
Surface area prism
Front + back + rectangular sides
Surface area Pyramid
Base + triangular sides
Circle circumference
Circle area
Right angled triangles Pythagoras
A squared + B squared = C squared
Trigonometry sin
Trigonometry cos
Trigonometry tan
Quadratic equations
Compound measurements speed
Compound measures density
Compound measures pressure
Estimate for the mean
Sum of mid point x frequency
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Total frequency
Volume of hemisphere