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The circles with centers P and O have radii 6 and 2, respectively, and are tangent to each other. Line $$l$$ is tangent to the circles at points A and B, as shown. What is the length of line segment AB ?
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· 相关考点
4.5.7 圆与切线
4.5.7 圆与切线
以上解析由 考满分老师提供。