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a trial that uses equipment such as coins, dice or playing cards to find the relative frequency of an event.
a line segment joining two points on the circumference of the circle. A chord also cuts the...
points that lie on the same line (so that the gradient is the same at each point).
the sum of the areas of all the planes of a three-dimensional object.
trigonometric ratio, expressed as opposite side divided by hypotenuse.
the difference between any two consecutive terms in an arithmetic sequence. The constant...