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level: Formulas

Questions and Answers List

level questions: Formulas

QuestionAnswer
Formulasin
Formula:cos
Formula:tan
Formula:area of a circle
Formula:circumference of a circle
A = lwarea of a rectangle
P = 2l + 2w or P = 2(l + w)perimeter of a rectangle
Formula:area of a triangle
A = bharea of a parallelogram
Formula:area of a trapezium
V = lwhvolume of a cuboid
2lw + 2wh + 2lh (sum of the area of all the faces)surface area of a cuboid
Formula:surface of a cylinder
Formula:volume of a cylinder
Formulavolume of a pyramid
Formula:volume of a cone
Formula:surface area of a cone
Formulavolume of a sphere
Formula:surface area of a sphere
Formula:gradient/slope
Formula:sum of interior angles
Formula:interior angle in a regular shape
360 degreessum of exterior angles
Formulasdistance/speed/time
only what A and B have in commonA n B (read as A intersect B)
everything in A AND everything in BA U B (read as A union B)
everything NOT in AA' (read as A complement)
I = PRTSimple Interest
FormulaCompound Interest
Formula:Pythagoras theorem
1. Angle in a semicircle is 90 degrees 2. The tangent is perpendicular to the radiusCircle Theorems
Imagealternate angles
Imagecorresponding angles
Imagevertical angles
always = 1sum of probability outcomes
probability of A x probability of bProbability of A and B happening
probability of A + probability of BProbability of A or B happening
measure from the north and always measure clockwiseHow do you measure bearings?
Formulamultiplying indices with the same base
Formuladividing indices with the same base
Formulamultiplying indices together
any number or letter to the 0 power = 1zero power
Formulanegative indices
Formulapercent change
y = y-value m = gradient/slope of the line x = x-value c = y-intercept (where the graph intersects the y-axis)What do the letters in y = mx + c represent?