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题目

解题步骤

1. Understand the question
   1. choose the correct answer.

   are the circles tangent, concentric, or congruent?
   □ congruent
   □ tangent
   □ concentric

2. Brief Explanations
   1. Congruent circles: Have equal radii; these circles are different sizes, so they are not congruent.
   2. Concentric circles: Share the same center; these circles have distinct centers (X and Y), so they are not concentric.
   3. Tangent circles: Touch at exactly one point; the diagram shows the two circles intersecting at precisely one point, fitting this definition.
3. Final answer

   tangent

答案

Question Analysis

OCR Text

7. choose the correct answer.
are the circles tangent, concentric, or congruent?
□ congruent
□ tangent
□ concentric

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