Data Sufficiency

In the figure above, what is the measure of ÐCAT?

(1) AB ^ AT and AC ^ AD.

(2) AB bisects ÐCAD.





Statement (1) ALONE is sufficient, but statement (2) ALONE is not sufficient.



Statement (2) ALONE is sufficient, but statement (1) ALONE is not sufficient.



BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.



EACH statement ALONE is sufficient.



Statements (1) and (2) TOGETHER are NOT sufficient.

Pls help about the sign what this mean