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    could somebody please write a list of all the formula that we will need to know for the new gcse 9-1 maths specification for edexcel as i know we will not be given as many formula
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    Formula//
    Area of a triangle= bxh divided by 2 & 1 half ab sin c
    Cosine Rule, a2=b2+c2-2bccosA
    Sine Rule, sin A over a equals sin B over b which is equal to sin C over c
    Pythagoras, a2=b2+c2
    Trig, SOH CAH TOA

    Circumference of a circle, pi x diameter
    Area of a circle, 2 x pi x r2

    volume of a cuboid = l x w x h
    v of prism = area of cross section x length
    v of cylinder = pi r2 x h
    v of a pyramid = 1/3 x area of base x h

    parallelogram area= bxh
    rectangle area= lxw
    area of a trapezium= 1/2 a+b x h

    quadratic formula = (-b plusminus the square root of b2-4ac) divided by 2xa
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    In addition to the above formulae:

    Median of a data set: (n+1)/2 where n is the variable pertaining to (total) frequency
    Pressure = Force / Area
    Speed = Distance / Time
    Exterior angle = n/360
    Sum of interior angles: (n-2) x 180
    Area of a Sector: (some given angle)/360 x Pi x radius squared
    Length of an arc: (some given angle)/360 x Pi x diameter
    Perimeter of a sector: (some given angle)/360 x Pi x diameter + 2r
    Volume of a sphere: 4/3 x Pi x radius cubed
    Surface area of a sphere: 4 x Pi x radius squared
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    (Original post by candidatezero)
    in addition to the above formulae:

    Median of a data set: (n+1)/2 where n is the variable pertaining to (total) frequency
    pressure = force / area
    speed = distance / time
    exterior angle = n/360
    sum of interior angles: (n-2) x 180
    area of a sector: (some given angle)/360 x pi x radius squared
    length of an arc: (some given angle)/360 x pi x diameter
    perimeter of a sector: (some given angle)/360 x pi x diameter + 2r
    volume of a sphere: 4/3 x pi x radius cubed
    surface area of a sphere: 4 x pi x radius squared
    thank you so much
 
 
 
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