<PRE><B>Question 796295</B>
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You don&#39;t use a postulate.  You need to use the Hypotenuse-Leg Theorem.


Theorem:  Let *[tex \LARGE \mathbb{T}_r] represent the set of right triangles, *[tex \LARGE h_i] represent the measure of the hypotenuse of the *[tex \LARGE i]th right triangle and *[tex \LARGE l_i] represent the measure of the leg of the *[tex \LARGE i]th right triangle that corresponds to the leg of any other right triangle being considered.  Then *[tex \LARGE \left(\forall\,x_i,\,x_k\,\in\,\mathbb{T}_r\right)\left\(\left(h_i\ =\ h_k\ \small{\wedge}\LARGE\ l_i\ =\ l_k\right)\ \Rightarrow\ x_i\ \text{congruent} \ x_k\right)] 


John
*[tex \LARGE e^{i\pi}\ +\ 1\ =\ 0]
&lt;font face=&quot;Math1&quot; size=&quot;+2&quot;&gt;Egw to Beta kai to Sigma&lt;/font&gt;
My calculator said it, I believe it, that settles it
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