【GMAT考满分数据洞察DS题库】_真题_答案

题目内容

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In the figure above,

$\overline{AB}$ , which has length z cm, is tangent to the circle at point A , and

$\overline{BD}$ , which has length y cm, intersects the circle at point C. If BC = x cm and

$z = \sqrt{xy}$ , what is the value of x?

(1) CD = x cm

(2)

$z = 5\sqrt{2}$

AStatement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
BStatement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
CBOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
DEACH statement ALONE is sufficient.
EStatements (1) and (2) TOGETHER are NOT sufficient.

正确答案: C

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选择材料题号

OG18-数学分册

SET 1

题目来源

题目来源1:OG18-数学分册

GMAT 考满分题库