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In the preceding figure, $$PQ$$ is a diameter of the circle with center $$O$$, and $$PQ$$ has length 10. The lengths of line segments $$AP, AQ, BP$$ and $$BQ$$ are $$a, b, c$$ and $$d$$,respectively. Which of the following statements must be true?
Indicate all such statements
A,C显示答案
· 相关考点
4.5.6 圆心角与圆周角
4.5.6 圆心角与圆周角
以上解析由 考满分老师提供。