Question 1039755
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graph(400,400,-3,11,-6,8), circle(4,1,sqrt(26)),line(5,6,9,2),locate(5,6.5,B),
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<pre><b><font size=4>
Steps:

1. Use the distance formula to find the length of OA.
2. Find AB which is one-half of the given chord length.
3. Use the Pythagorean theorem to find the hypotenuse
   OB, of the right triangle OAB.   OB is the radius.

Edwin</pre></b></font>