The trapezoid area calculator shows you how to find the area of a trapezoid (isosceles, rectangular, lateral, etc.) using different formulas, through the middle line, the length of all sides, diagonals, bases, and angles between them.
A value of f(X,Y)=tan-1(Y/X) is stored in an area of a trapezoid ABCD by using the XY coordinate as an address, and a value of f(X,Y)=tan-1(1-Y/1-X) is stored in an area of a triangle CED by using the XY coordinate as an address. Thus, when a range of-1-1 is...
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