| Activity
Problem In the opposite figure, What can you say about the three points F, C, and E in terms of collinearity? i.e. Are they collinear? |
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| Drag free elements (free points (A and B), semi free points (C and D), or even the edge of either circle) to deform the situation and observe the behavior of the three points F, C, and E in terms of the collinearity. |