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Triangle ABC is inscribed in a circle as shown above. What is the radius ... ...

Triangle ABC is inscribed in a circle as shown above. What is the radius of the circle?

(1) AB is a diameter of the circle.

(2) AC = 3 and BC = 4.


(A) if statement (1) ALONE is sufficient to answer the question but statement (2) alone is not sufficient;
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in Exercise Set B

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Posted: 03/09/2013 00:33
Why is 2 insufficient? you can apply the theorem with the measure given for the two sides, is it because we cannot assume by the figure that side AB is of course the diamenter?
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Posted: 03/12/2013 15:55
Ricardo, yes you are right. We cannot assume AB is a diameter of the circle, because that is given in statement 1.
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