Question 983299
<font face="Times New Roman" size="+2">


The diagonals of a rectangle bisect each other and the diagonals of a rectangle are congruent. Hence, the four triangles created by two perpendicular diagonals are mutually congruent, each congruent hypotenuse forming a side of the rectangle which perforce a square.


John
*[tex \LARGE e^{i\pi}\ +\ 1\ =\ 0]
My calculator said it, I believe it, that settles it

*[tex \Large \ \
*[tex \LARGE \ \ \ \ \ \ \ \ \ \