Question 651731
<pre>
Sure:  As you can see, CD bisects RS but RS does not bisect CD

{{{drawing(320,400,-1,3,-2,3, line(0,0,2,0), line(1.5,2,.7,-1.2),

locate(0,0,R),locate(2,0,S),  locate(1.5,2.2,C), locate(.7,-1.2,D) 


)}}}