Question 1129392
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Go for Angle-Side-Angle:


If two angles of a triangle are congruent, then the remaining angles must also be congruent because the sum of the measures of the interior angles of any triangle is 180 degrees.  That means angle P congruent angle D.


With P congruent D and E congruent R and the included sides, PR and DE congruent, you have Angle - Side - Angle.


You can format the proof any way you like. 
								
								
John
*[tex \LARGE e^{i\pi}\ +\ 1\ =\ 0]
My calculator said it, I believe it, that settles it
<img src="http://c0rk.blogs.com/gr0undzer0/darwin-fish.jpg">
*[tex \Large \ \
*[tex \LARGE \ \ \ \ \ \ \ \ \ \  
								
{{n}\choose{r}}
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