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天山 4-26

Q26: the circle has center O and radius 50, and point P has coordinates (50,0). If point Q (not shown) is on the circle, what is the length of line segment PQ ? (1) The x-coordinate of point Q is – 30. (2) The y-coordinate of point Q is – 40. 9 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.

MINE D

ANS E

求助!

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选A丫,B有两种情况,长度不一样的

TOP

I agree with E.

x^2+y^2=2500, with the condition A or B will come out two results.

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