Question 261904
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Use the distance formula to calculate the measure of segment *[tex \Large \overline{XY}]:


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ d_{XY}\ =\ sqrt{(x_X\ -\ x_Y)^2\ +\ (y_X\ -\ y_Y)^2}]


Where *[tex \Large \left(x_X,y_X\right)] and *[tex \Large \left(x_Y,y_Y\right)] are the coordinates of points *[tex \Large X] and *[tex \Large Y]


Similarly, determine the measures of *[tex \Large \overline{YZ}] and *[tex \Large \overline{ZX}] by calculating *[tex \Large d_{YZ}] and *[tex \Large d_{ZX}] as shown for *[tex \Large d_{XY}].


The perimeter is then:


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ P_{XYZ}\ =\ d_{XY}\ +\ d_{YZ}\ +\ d_{ZX}]




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