Question 201650
<font face="Garamond" size="+2">


B midpoint of AC: Given
AB + BC = AC: Definition of a mid-point (the part that says a mid-point divides a line segment into two parts)
AB = BC: Definition of a mid-point (the part that says the two parts are equal)
AB + AB = AC: Substitution property of equality
2AB = AC: Definition of multiplication for whole numbers
Q.E.D.




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