题目信息
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 =$$5\sqrt{2}$$
A:Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
B:Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
C:BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
D:EACH statement ALONE is sufficient.
E:Statements (1) and (2) TOGETHER are NOT sufficient.
参考答案及共享解析
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已选答案：
正确答案：
C:BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
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