In the above figure, what is the area of ΔABO?( The coordinates of ... ...

In the above figure, what is the area of ΔABO?

(1) The coordinates of A are image.

(2) ΔABO is equilateral.


(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