Question 255984
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The same as the slope of a line that passes through the points (0,9) and (20,6) [Presuming the 9ft tower to the left of the 6ft tower, (0,6) and (20,9) otherwise].  Use the slope formula:


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ m\ =\ \frac{y_1\ -\ y_2}{x_1\ -\ x_2} ]



John
*[tex \LARGE e^{i\pi} + 1 = 0]
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