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the quality of two or more shapes being identical in terms of interior angles, but not necessarily in terms of size. The sides of similar shapes will always be proportionate.
the line that best fits the data, calculated according to the least squares method of regression...
a simple, branched diagram that shows all the possible results when several events are combined...
a visual representation of all the information given in a finance problem concerning investments...
represents the rate of change or gradient of a function at any particular point.