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A common tangent is a line which is tangent to two (or more) curves.

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10y ago

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Is tangent and a circle can have exactly one point in common?

From the definition of tangent, it can ONLY have one point in common called the tangent point.


What does tangent mean in math?

Tangent, in geometry, is used to describe when figures have only one point in common. In Trig. tangent is applied to triangles.


If a circle of radius 2 is externally tangent to a circle of radius 8 what is the length of their common tangent?

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