Posted by arya on Monday, April 20, 2009 at 7:19pm.
Line AB is the diameter of circle C. If the endpoints of the diameter are A(3, 4) and B(2, 5), what are the coordinates of the center of the circle C?
I've forgotten how to do this, heh heh... help please?

math  drwls, Monday, April 20, 2009 at 7:40pm
The x and the y values of the midpoint (center) are the averages of the x and y values of A and B. The average x value of A and B is 1/2. The average y value is ___ .

math  arya, Monday, April 20, 2009 at 7:43pm
Isn't there some distance formula...?

math  drwls, Monday, April 20, 2009 at 8:03pm
Yes. I just described it.
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