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题库 / GMATAdvanced-DS-44
In the figure above,B is on ~$\vec{AC}$~, D is on ~$\vec{AE}$~, ~$\vec{AB}$~has the same length as ~$\vec{BC}$~,and ∠ABD has the same measure as ∠ACE. What is the length of ~$\vec{DB}$~？
(1)The length of ~$\vec{EC}$~ is 6.
(2)The length of ~$\vec{DE}$~ is 5.
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.
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