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The number of tangents that can be drawn to two non-intersecting circles :

Correct Answer: 4

Explanation:

We know that when two circle neither touch nor intersect and one lies outside the other, then 4 common tangents can be drawn.
For 4 common tangents , we get
∴ r1 + r2 < c1c2
Hence ,The number of tangents = 4


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