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[Data Sufficiency]

试题详情

题目:

In the figure shown, 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.


选项:

答案:

A

提问:

不明白为什么只知道X轴的数值就能算出PQ的距离

解答:

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阅读560
解答: sysadmin

提问:

不明白为什么只知道X轴的数值就能算出PQ的距离

解答:

点赞0
阅读561
解答: sysadmin老师

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